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<a href="Functions.html#/s:6Nimble2eeoiyyAA11ExpectationVyx_q_q0_q1_q2_tG_x_q_q0_q1_q2_tSgtSQRzSQR_SQR0_SQR1_SQR2_r3_lF">==(_:_:)</a>
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<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble2eeoiyyAA11ExpectationVyx_q_q0_q1_tG_x_q_q0_q1_tSgtSQRzSQR_SQR0_SQR1_r2_lF">==(_:_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble2eeoiyyAA11ExpectationVyx_q_q0_tG_x_q_q0_tSgtSQRzSQR_SQR0_r1_lF">==(_:_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble2eeoiyyAA11ExpectationVyx_q_tG_x_q_tSgtSQRzSQR_r0_lF">==(_:_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble1goiyyAA11ExpectationVyAA13NMBComparable_pG_AaE_pSgtF">>(_:_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble1goiyyAA11ExpectationVyxG_xtSLRzlF">>(_:_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble2geoiyyAA11ExpectationVyxG_xtAA13NMBComparableRzlF">>=(_:_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble2geoiyyAA11ExpectationVyxG_xtSLRzlF">>=(_:_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble14MACH_MSGH_BITSys6UInt32VAD_ADtF">MACH_MSGH_BITS(_:_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble21MACH_MSGH_BITS_REMOTEys6UInt32VADF">MACH_MSGH_BITS_REMOTE(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7allPassyAA9PredicateVyxGADy7ElementQzGSTRzlF">allPass(_:)</a>
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<a href="Functions.html#/s:6Nimble7allPassyAA9PredicateVyxGSb7ElementQzKcSTRzlF">allPass(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble7allPassyAA9PredicateVyxGSS_Sb7ElementQzKctSTRzlF">allPass(_:_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble2beyAA9PredicateVyyXlGyXlSgF">be(_:)</a>
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<a href="Functions.html#/s:6Nimble9beAKindOfyAA9PredicateVySo8NSObjectCGyXlXpF">beAKindOf(_:)</a>
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<a href="Functions.html#/s:6Nimble9beAKindOfyAA9PredicateVyypGxmlF">beAKindOf(_:)</a>
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<a href="Functions.html#/s:6Nimble14beAnInstanceOfyAA9PredicateVySo8NSObjectCGyXlXpF">beAnInstanceOf(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble14beAnInstanceOfyAA9PredicateVyypGxmlF">beAnInstanceOf(_:)</a>
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<a href="Functions.html#/s:6Nimble9beCloseTo_6withinAA9PredicateVyq_Gq__xtSFRz7ElementQy_RszSlR_r0_lF">beCloseTo(_:within:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble9beCloseTo_6withinAA9PredicateVyxGx_SdtAA20NMBDoubleConvertibleRzlF">beCloseTo(_:within:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble9beCloseTo_6withinAA9PredicateVyxGx_xtSFRzlF">beCloseTo(_:within:)</a>
</li>
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<a href="Functions.html#/s:6Nimble7beEmptyAA9PredicateVyAA13NMBCollection_pGyF">beEmpty()</a>
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<a href="Functions.html#/s:6Nimble7beEmptyAA9PredicateVySSGyF">beEmpty()</a>
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<a href="Functions.html#/s:6Nimble7beEmptyAA9PredicateVySo12NSDictionaryCGyF">beEmpty()</a>
</li>
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<a href="Functions.html#/s:6Nimble7beEmptyAA9PredicateVySo7NSArrayCGyF">beEmpty()</a>
</li>
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<a href="Functions.html#/s:6Nimble7beEmptyAA9PredicateVySo8NSStringCGyF">beEmpty()</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7beEmptyAA9PredicateVyxGySTRzlF">beEmpty()</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7beEmptyAA9PredicateVyxGySTRzs10SetAlgebraRzlF">beEmpty()</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7beEmptyAA9PredicateVyxGys10SetAlgebraRzlF">beEmpty()</a>
</li>
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<a href="Functions.html#/s:6Nimble9beFailure4testAA9PredicateVys6ResultOyxq_GGyq_cSg_ts5ErrorR_r0_lF">beFailure(test:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7beFalseAA9PredicateVySbGyF">beFalse()</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7beFalsyAA9PredicateVyxGySQRzs27ExpressibleByBooleanLiteralRzlF">beFalsy()</a>
</li>
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<a href="Functions.html#/s:6Nimble13beGreaterThanyAA9PredicateVyAA13NMBComparable_pGAaE_pSgF">beGreaterThan(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble13beGreaterThanyAA9PredicateVyxGxSgSLRzlF">beGreaterThan(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble22beGreaterThanOrEqualToyAA9PredicateVyxGxSgAA13NMBComparableRzlF">beGreaterThanOrEqualTo(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble22beGreaterThanOrEqualToyAA9PredicateVyxGxSgSLRzlF">beGreaterThanOrEqualTo(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble13beIdenticalToyAA9PredicateVyyXlGyXlSgF">beIdenticalTo(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble10beLessThanyAA9PredicateVyAA13NMBComparable_pGAaE_pSgF">beLessThan(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble10beLessThanyAA9PredicateVyxGxSgSLRzlF">beLessThan(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble19beLessThanOrEqualToyAA9PredicateVyxGxSgAA13NMBComparableRzlF">beLessThanOrEqualTo(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble19beLessThanOrEqualToyAA9PredicateVyxGxSgSLRzlF">beLessThanOrEqualTo(_:)</a>
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<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble5beNilAA9PredicateVyxGylF">beNil()</a>
</li>
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<a href="Functions.html#/s:6Nimble9beSuccess4testAA9PredicateVys6ResultOyxq_GGyxcSg_ts5ErrorR_r0_lF">beSuccess(test:)</a>
</li>
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<a href="Functions.html#/s:6Nimble6beTrueAA9PredicateVySbGyF">beTrue()</a>
</li>
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<a href="Functions.html#/s:6Nimble8beTruthyAA9PredicateVyxGySQRzs27ExpressibleByBooleanLiteralRzlF">beTruthy()</a>
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<a href="Functions.html#/s:6Nimble6beVoidAA9PredicateVyytGyF">beVoid()</a>
</li>
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<a href="Functions.html#/s:6Nimble8beWithinyAA9PredicateVyxGSNyxGSLRzlF">beWithin(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble8beWithinyAA9PredicateVyxGSnyxGSLRzlF">beWithin(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble9beginWithyAA9PredicateVyAA20NMBOrderedCollection_pGypF">beginWith(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble9beginWithyAA9PredicateVySSGSSF">beginWith(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble9beginWithyAA9PredicateVyxG7ElementQzSTRzSQAGRQlF">beginWith(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble9beginWith6prefixAA9PredicateVyxGq_Sg_tSTRzSTR_SQ7ElementRpzAHQy_AIRSr0_lF">beginWith(prefix:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble9beginWith6prefix2byAA9PredicateVyxGq_Sg_Sb7ElementQz_AIQy_tctSTRzSTR_r0_lF">beginWith(prefix:by:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/catchBadInstruction(block:)">catchBadInstruction(block:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble19catchBadInstruction2inAA0cD9ExceptionCSgyyc_tF">catchBadInstruction(in:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7containyAA9PredicateVyAA12NMBContainer_pGSayypSgGF">contain(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7containyAA9PredicateVyAA12NMBContainer_pGypSgd_tF">contain(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble7containyAA9PredicateVySSGSSd_tF">contain(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7containyAA9PredicateVySSGSaySSGF">contain(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble7containyAA9PredicateVySo8NSStringCGAFd_tF">contain(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7containyAA9PredicateVySo8NSStringCGSayAFGF">contain(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7containyAA9PredicateVyxG7ElementQzd_tSTRzSQAGRQlF">contain(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7containyAA9PredicateVyxG7ElementQzd_ts10SetAlgebraRzSQAGRQlF">contain(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7containyAA9PredicateVyxG7ElementSTQzd_tSTRzs10SetAlgebraRzSQAGRQlF">contain(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7containyAA9PredicateVyxGSay7ElementQzGSTRzSQAGRQlF">contain(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7containyAA9PredicateVyxGSay7ElementQzGs10SetAlgebraRzSQAGRQlF">contain(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7containyAA9PredicateVyxGSay7ElementSTQzGSTRzs10SetAlgebraRzSQAGRQlF">contain(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble24containElementSatisfyingyAA9PredicateVyxGSb0C0Qzc_SStSTRzlF">containElementSatisfying(_:_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble12defaultDeltaxySFRzlF">defaultDelta()</a>
</li>
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<a href="Functions.html#/s:6Nimble13elementsEqualyAA9PredicateVyxGq_SgSTRzSTR_SQ7ElementRpzAGQy_AHRSr0_lF">elementsEqual(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble13elementsEqual_2byAA9PredicateVyxGq_Sg_Sb7ElementQz_AHQy_tctSTRzSTR_r0_lF">elementsEqual(_:by:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7endWithyAA9PredicateVyAA20NMBOrderedCollection_pGypF">endWith(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble7endWithyAA9PredicateVySSGSSF">endWith(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7endWithyAA9PredicateVyxG7ElementQzSTRzSQAGRQlF">endWith(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVySDyxq_GGSDyxq_SgGSHRzSQR_r0_lF">equal(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVySayxSgGGAFSQRzlF">equal(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVyShyxGGAESHRzlF">equal(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVyShyxGGAESLRzSHRzlF">equal(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVyShyxGGAESgSHRzlF">equal(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVyShyxGGAESgSLRzSHRzlF">equal(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVyxGxSQRzlF">equal(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVyxGxSgSQRzlF">equal(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVyx_q_q0_q1_q2_q3_tGx_q_q0_q1_q2_q3_tSgSQRzSQR_SQR0_SQR1_SQR2_SQR3_r4_lF">equal(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVyx_q_q0_q1_q2_tGx_q_q0_q1_q2_tSgSQRzSQR_SQR0_SQR1_SQR2_r3_lF">equal(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVyx_q_q0_q1_tGx_q_q0_q1_tSgSQRzSQR_SQR0_SQR1_r2_lF">equal(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVyx_q_q0_tGx_q_q0_tSgSQRzSQR_SQR0_r1_lF">equal(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble5equalyAA9PredicateVyx_q_tGx_q_tSgSQRzSQR_r0_lF">equal(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble6expect4file4line_AA11ExpectationVyxGSS_SuxSgyKXAtlF">expect(file:line:_:)</a>
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<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble6expect4file4line_AA11ExpectationVyxGSS_SuxSgyKcyXKtlF">expect(file:line:_:)</a>
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<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble6expect4file4line_AA11ExpectationVyxGSS_SuxyKcyXKtlF">expect(file:line:_:)</a>
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<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble6expect4file4line_AA11ExpectationVyytGSS_SuyyKcyXKtF">expect(file:line:_:)</a>
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<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble4fail_4file4lineySS_SSSutF">fail(_:file:line:)</a>
</li>
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<a href="Functions.html#/s:6Nimble4fail_4lineySS_SutF">fail(_:line:)</a>
</li>
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<a href="Functions.html#/s:6Nimble4fail_8locationySS_AA14SourceLocationCtF">fail(_:location:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble18gatherExpectations8silently7closureSayAA15AssertionRecordVGSb_yyXEtF">gatherExpectations(silently:closure:)</a>
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<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble25gatherFailingExpectations8silently7closureSayAA15AssertionRecordVGSb_yyXEtF">gatherFailingExpectations(silently:closure:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble9haveCountyAA9PredicateVyAA13NMBCollection_pGSiF">haveCount(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble9haveCountyAA9PredicateVyxGSiSlRzlF">haveCount(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble5matchyAA9PredicateVySSGSSSgF">match(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble10matchErroryAA9PredicateVys0C0_pGxSQRzsAERzlF">matchError(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble10matchErroryAA9PredicateVys0C0_pGxmsAERzlF">matchError(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble10matchErroryAA9PredicateVys0C0_pGxsAERzlF">matchError(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble28postDistributedNotifications_4from5namesAA9PredicateVyxGAFySay10Foundation12NotificationVGG_So013NSDistributedI6CenterCShySo18NSNotificationNameaGtlF">postDistributedNotifications(_:from:names:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble17postNotifications_4fromAA9PredicateVyxGAEySay10Foundation12NotificationVGG_So20NSNotificationCenterCtlF">postNotifications(_:from:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble20prettyCollectionTypeySSxSlRzlF">prettyCollectionType(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble20prettyCollectionTypeySSxlF">prettyCollectionType(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble14raiseException5named6reason8userInfo7closureAA9PredicateVyxGSSSg_AJSo12NSDictionaryCSgySo11NSExceptionCcSgtlF">raiseException(named:reason:userInfo:closure:)</a>
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<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble14raiseException5named6reason8userInfo7closureAA9PredicateVyxGSo15NSExceptionNameaSg_SSSgSo12NSDictionaryCSgySo0J0CcSgtlF">raiseException(named:reason:userInfo:closure:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble13recordFailure_8locationySS_AA14SourceLocationCtF">recordFailure(_:location:)</a>
</li>
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<a href="Functions.html#/s:6Nimble12satisfyAllOfyAA9PredicateVyxGAEd_tlF">satisfyAllOf(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble12satisfyAllOfyAA9PredicateVyxGSayAEGlF">satisfyAllOf(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble12satisfyAnyOfyAA9PredicateVyxGAEd_tlF">satisfyAnyOf(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble12satisfyAnyOfyAA9PredicateVyxGSayAEGlF">satisfyAnyOf(_:)</a>
</li>
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<a href="Functions.html#/s:6Nimble9stringifyySSxSglF">stringify(_:)</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble7succeedAA9PredicateVyAA15ToSucceedResultOGyF">succeed()</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble14throwAssertionAA9PredicateVyxGylF">throwAssertion()</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble10throwErrorAA9PredicateVyxGylF">throwError()</a>
</li>
<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble10throwError_7closureAA9PredicateVyq_Gx_ys0C0_pcSgtsAGRzr0_lF">throwError(_:closure:)</a>
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<li class="nav-group-task">
<a href="Functions.html#/s:6Nimble10throwError_7closureAA9PredicateVyq_Gx_yxcSgtSQRzs0C0Rzr0_lF">throwError(_:closure:)</a>
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<a href="Functions.html#/s:6Nimble10throwError7closureAA9PredicateVyq_Gyxc_ts0C0Rzr0_lF">throwError(closure:)</a>
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<a href="Functions.html#/s:6Nimble10throwError7closureAA9PredicateVyxGys0C0_pc_tlF">throwError(closure:)</a>
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<a href="Functions.html#/s:6Nimble10throwError9errorType7closureAA9PredicateVyq_Gxm_yxcSgts0C0Rzr0_lF">throwError(errorType:closure:)</a>
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<section>
<section class="section">
<h1 id='nimble' class='heading'>Nimble</h1>
<p><a href="https://github.com/Quick/Nimble/actions/workflows/ci-xcode.yml"><img src="https://github.com/Quick/Nimble/actions/workflows/ci-xcode.yml/badge.svg" alt="Build Status"></a>
<a href="https://cocoapods.org/pods/Nimble"><img src="https://img.shields.io/cocoapods/v/Nimble.svg" alt="CocoaPods"></a>
<a href="https://github.com/Carthage/Carthage"><img src="https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat" alt="Carthage Compatible"></a>
<a href="https://cocoapods.org/pods/Nimble"><img src="https://img.shields.io/cocoapods/p/Nimble.svg" alt="Platforms"></a></p>
<p>Use Nimble to express the expected outcomes of Swift
or Objective-C expressions. Inspired by
<a href="https://github.com/pivotal/cedar">Cedar</a>.</p>
<pre class="highlight swift"><code><span class="c1">// Swift</span>
<span class="nf">expect</span><span class="p">(</span><span class="mi">1</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span><span class="o">.</span><span class="nf">to</span><span class="p">(</span><span class="nf">equal</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span>
<span class="nf">expect</span><span class="p">(</span><span class="mf">1.2</span><span class="p">)</span><span class="o">.</span><span class="nf">to</span><span class="p">(</span><span class="nf">beCloseTo</span><span class="p">(</span><span class="mf">1.1</span><span class="p">,</span> <span class="nv">within</span><span class="p">:</span> <span class="mf">0.1</span><span class="p">))</span>
<span class="nf">expect</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span> <span class="o">></span> <span class="mi">2</span>
<span class="nf">expect</span><span class="p">(</span><span class="s">"seahorse"</span><span class="p">)</span><span class="o">.</span><span class="nf">to</span><span class="p">(</span><span class="nf">contain</span><span class="p">(</span><span class="s">"sea"</span><span class="p">))</span>
<span class="nf">expect</span><span class="p">([</span><span class="s">"Atlantic"</span><span class="p">,</span> <span class="s">"Pacific"</span><span class="p">])</span><span class="o">.</span><span class="nf">toNot</span><span class="p">(</span><span class="nf">contain</span><span class="p">(</span><span class="s">"Mississippi"</span><span class="p">))</span>
<span class="nf">expect</span><span class="p">(</span><span class="n">ocean</span><span class="o">.</span><span class="n">isClean</span><span class="p">)</span><span class="o">.</span><span class="nf">toEventually</span><span class="p">(</span><span class="nf">beTruthy</span><span class="p">())</span>
</code></pre>
<h1 id='how-to-use-nimble' class='heading'>How to Use Nimble</h1>
<!-- START doctoc generated TOC please keep comment here to allow auto update -->
<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
<p><strong>Table of Contents</strong> <em>generated with <a href="https://github.com/thlorenz/doctoc">DocToc</a></em></p>
<ul>
<li><a href="#some-background-expressing-outcomes-using-assertions-in-xctest">Some Background: Expressing Outcomes Using Assertions in XCTest</a></li>
<li><a href="#nimble-expectations-using-expectto">Nimble: Expectations Using <code>expect(...).to</code></a>
<ul>
<li><a href="#custom-failure-messages">Custom Failure Messages</a></li>
<li><a href="#type-safety">Type Safety</a></li>
<li><a href="#operator-overloads">Operator Overloads</a></li>
<li><a href="#lazily-computed-values">Lazily Computed Values</a></li>
<li><a href="#c-primitives">C Primitives</a></li>
<li><a href="#asynchronous-expectations">Asynchronous Expectations</a></li>
<li><a href="#objective-c-support">Objective-C Support</a></li>
<li><a href="#disabling-objective-c-shorthand">Disabling Objective-C Shorthand</a></li>
</ul></li>
<li><a href="#built-in-matcher-functions">Built-in Matcher Functions</a>
<ul>
<li><a href="#type-checking">Type Checking</a></li>
<li><a href="#equivalence">Equivalence</a></li>
<li><a href="#identity">Identity</a></li>
<li><a href="#comparisons">Comparisons</a></li>
<li><a href="#typesclasses">Types/Classes</a></li>
<li><a href="#truthiness">Truthiness</a></li>
<li><a href="#swift-assertions">Swift Assertions</a></li>
<li><a href="#swift-error-handling">Swift Error Handling</a></li>
<li><a href="#exceptions">Exceptions</a></li>
<li><a href="#collection-membership">Collection Membership</a></li>
<li><a href="#strings">Strings</a></li>
<li><a href="#collection-elements">Collection Elements</a></li>
<li><a href="#collection-count">Collection Count</a></li>
<li><a href="#notifications">Notifications</a></li>
<li><a href="#result">Result</a></li>
<li><a href="#matching-a-value-to-any-of-a-group-of-matchers">Matching a value to any of a group of matchers</a></li>
<li><a href="#custom-validation">Custom Validation</a></li>
</ul></li>
<li><a href="#writing-your-own-matchers">Writing Your Own Matchers</a>
<ul>
<li><a href="#predicateresult">PredicateResult</a></li>
<li><a href="#lazy-evaluation">Lazy Evaluation</a></li>
<li><a href="#type-checking-via-swift-generics">Type Checking via Swift Generics</a></li>
<li><a href="#customizing-failure-messages">Customizing Failure Messages</a></li>
<li><a href="#basic-customization">Basic Customization</a></li>
<li><a href="#full-customization">Full Customization</a></li>
<li><a href="#supporting-objective-c">Supporting Objective-C</a></li>
<li><a href="#properly-handling-nil-in-objective-c-matchers">Properly Handling <code>nil</code> in Objective-C Matchers</a></li>
<li><a href="#migrating-from-the-old-matcher-api">Migrating from the Old Matcher API</a></li>
</ul></li>
<li><a href="#installing-nimble">Installing Nimble</a>
<ul>
<li><a href="#installing-nimble-as-a-submodule">Installing Nimble as a Submodule</a></li>
<li><a href="#installing-nimble-via-cocoapods">Installing Nimble via CocoaPods</a></li>
<li><a href="#using-nimble-without-xctest">Using Nimble without XCTest</a></li>
</ul></li>
</ul>
<!-- END doctoc generated TOC please keep comment here to allow auto update -->
<h1 id='some-background-expressing-outcomes-using-assertions-in-xctest' class='heading'>Some Background: Expressing Outcomes Using Assertions in XCTest</h1>
<p>Apple’s Xcode includes the XCTest framework, which provides
assertion macros to test whether code behaves properly.
For example, to assert that <code>1 + 1 = 2</code>, XCTest has you write:</p>
<pre class="highlight swift"><code><span class="c1">// Swift</span>
<span class="kt">XCTAssertEqual</span><span class="p">(</span><span class="mi">1</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="s">"expected one plus one to equal two"</span><span class="p">)</span>
</code></pre>
<p>Or, in Objective-C:</p>
<pre class="highlight objective_c"><code><span class="c1">// Objective-C</span>
<span class="n">XCTAssertEqual</span><span class="p">(</span><span class="mi">1</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="s">@"expected one plus one to equal two"</span><span class="p">);</span>
</code></pre>
<p>XCTest assertions have a couple of drawbacks:</p>
<ol>
<li><strong>Not enough macros.</strong> There’s no easy way to assert that a string
contains a particular substring, or that a number is less than or
equal to another.</li>
<li><strong>It’s hard to write asynchronous tests.</strong> XCTest forces you to write
a lot of boilerplate code.</li>
</ol>
<p>Nimble addresses these concerns.</p>
<h1 id='nimble-expectations-using-code-expect-to-code' class='heading'>Nimble: Expectations Using <code>expect(...).to</code></h1>
<p>Nimble allows you to express expectations using a natural,
easily understood language:</p>
<pre class="highlight swift"><code><span class="c1">// Swift</span>
<span class="kd">import</span> <span class="kt">Nimble</span>
<span class="nf">expect</span><span class="p">(</span><span class="n">seagull</span><span class="o">.</span><span class="n">squawk</span><span class="p">)</span><span class="o">.</span><span class="nf">to</span><span class="p">(</span><span class="nf">equal</span><span class="p">(</span><span class="s">"Squee!"</span><span class="p">))</span>
</code></pre>
<pre class="highlight objective_c"><code><span class="c1">// Objective-C</span>
<span class="k">@import</span> <span class="n">Nimble</span><span class="p">;</span>
<span class="n">expect</span><span class="p">(</span><span class="n">seagull</span><span class="p">.</span><span class="n">squawk</span><span class="p">).</span><span class="n">to</span><span class="p">(</span><span class="n">equal</span><span class="p">(</span><span class="s">@"Squee!"</span><span class="p">));</span>
</code></pre>
<blockquote>
<p>The <code>expect</code> function autocompletes to include <code>file:</code> and <code>line:</code>,
but these parameters are optional. Use the default values to have
Xcode highlight the correct line when an expectation is not met.</p>
</blockquote>
<p>To perform the opposite expectation–to assert something is <em>not</em>
equal–use <code>toNot</code> or <code>notTo</code>:</p>
<pre class="highlight swift"><code><span class="c1">// Swift</span>
<span class="kd">import</span> <span class="kt">Nimble</span>
<span class="nf">expect</span><span class="p">(</span><span class="n">seagull</span><span class="o">.</span><span class="n">squawk</span><span class="p">)</span><span class="o">.</span><span class="nf">toNot</span><span class="p">(</span><span class="nf">equal</span><span class="p">(</span><span class="s">"Oh, hello there!"</span><span class="p">))</span>
<span class="nf">expect</span><span class="p">(</span><span class="n">seagull</span><span class="o">.</span><span class="n">squawk</span><span class="p">)</span><span class="o">.</span><span class="nf">notTo</span><span class="p">(</span><span class="nf">equal</span><span class="p">(</span><span class="s">"Oh, hello there!"</span><span class="p">))</span>
</code></pre>
<pre class="highlight objective_c"><code><span class="c1">// Objective-C</span>
<span class="k">@import</span> <span class="n">Nimble</span><span class="p">;</span>
<span class="n">expect</span><span class="p">(</span><span class="n">seagull</span><span class="p">.</span><span class="n">squawk</span><span class="p">).</span><span class="n">toNot</span><span class="p">(</span><span class="n">equal</span><span class="p">(</span><span class="s">@"Oh, hello there!"</span><span class="p">));</span>
<span class="n">expect</span><span class="p">(</span><span class="n">seagull</span><span class="p">.</span><span class="n">squawk</span><span class="p">).</span><span class="n">notTo</span><span class="p">(</span><span class="n">equal</span><span class="p">(</span><span class="s">@"Oh, hello there!"</span><span class="p">));</span>
</code></pre>
<h2 id='custom-failure-messages' class='heading'>Custom Failure Messages</h2>
<p>Would you like to add more information to the test’s failure messages? Use the <code>description</code> optional argument to add your own text:</p>
<pre class="highlight swift"><code><span class="c1">// Swift</span>
<span class="nf">expect</span><span class="p">(</span><span class="mi">1</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span><span class="o">.</span><span class="nf">to</span><span class="p">(</span><span class="nf">equal</span><span class="p">(</span><span class="mi">3</span><span class="p">))</span>
<span class="c1">// failed - expected to equal <3>, got <2></span>
<span class="nf">expect</span><span class="p">(</span><span class="mi">1</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span><span class="o">.</span><span class="nf">to</span><span class="p">(</span><span class="nf">equal</span><span class="p">(</span><span class="mi">3</span><span class="p">),</span> <span class="nv">description</span><span class="p">:</span> <span class="s">"Make sure libKindergartenMath is loaded"</span><span class="p">)</span>
<span class="c1">// failed - Make sure libKindergartenMath is loaded</span>
<span class="c1">// expected to equal <3>, got <2></span>
</code></pre>
<p>Or the *WithDescription version in Objective-C:</p>
<pre class="highlight objective_c"><code><span class="c1">// Objective-C</span>
<span class="k">@import</span> <span class="n">Nimble</span><span class="p">;</span>
<span class="n">expect</span><span class="p">(</span><span class="err">@</span><span class="p">(</span><span class="mi">1</span><span class="o">+</span><span class="mi">1</span><span class="p">)).</span><span class="n">to</span><span class="p">(</span><span class="n">equal</span><span class="p">(</span><span class="mi">@3</span><span class="p">));</span>
<span class="c1">// failed - expected to equal <3.0000>, got <2.0000></span>
<span class="n">expect</span><span class="p">(</span><span class="err">@</span><span class="p">(</span><span class="mi">1</span><span class="o">+</span><span class="mi">1</span><span class="p">)).</span><span class="n">toWithDescription</span><span class="p">(</span><span class="n">equal</span><span class="p">(</span><span class="mi">@3</span><span class="p">),</span> <span class="s">@"Make sure libKindergartenMath is loaded"</span><span class="p">);</span>
<span class="c1">// failed - Make sure libKindergartenMath is loaded</span>
<span class="c1">// expected to equal <3.0000>, got <2.0000></span>
</code></pre>
<h2 id='type-safety' class='heading'>Type Safety</h2>
<p>Nimble makes sure you don’t compare two types that don’t match:</p>
<pre class="highlight swift"><code><span class="c1">// Swift</span>
<span class="c1">// Does not compile:</span>
<span class="nf">expect</span><span class="p">(</span><span class="mi">1</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span><span class="o">.</span><span class="nf">to</span><span class="p">(</span><span class="nf">equal</span><span class="p">(</span><span class="s">"Squee!"</span><span class="p">))</span>
</code></pre>
<blockquote>
<p>Nimble uses generics–only available in Swift–to ensure
type correctness. That means type checking is
not available when using Nimble in Objective-C. :sob:</p>
</blockquote>
<h2 id='operator-overloads' class='heading'>Operator Overloads</h2>
<p>Tired of so much typing? With Nimble, you can use overloaded operators
like <code>==</code> for equivalence, or <code>></code> for comparisons:</p>
<pre class="highlight swift"><code><span class="c1">// Swift</span>
<span class="c1">// Passes if squawk does not equal "Hi!":</span>
<span class="nf">expect</span><span class="p">(</span><span class="n">seagull</span><span class="o">.</span><span class="n">squawk</span><span class="p">)</span> <span class="o">!=</span> <span class="s">"Hi!"</span>
<span class="c1">// Passes if 10 is greater than 2:</span>
<span class="nf">expect</span><span class="p">(</span><span class="mi">10</span><span class="p">)</span> <span class="o">></span> <span class="mi">2</span>
</code></pre>
<blockquote>
<p>Operator overloads are only available in Swift, so you won’t be able
to use this syntax in Objective-C. :broken_heart:</p>
</blockquote>
<h2 id='lazily-computed-values' class='heading'>Lazily Computed Values</h2>
<p>The <code>expect</code> function doesn’t evaluate the value it’s given until it’s
time to match. So Nimble can test whether an expression raises an
exception once evaluated:</p>
<pre class="highlight swift"><code><span class="c1">// Swift</span>
<span class="c1">// Note: Swift currently doesn't have exceptions.</span>
<span class="c1">// Only Objective-C code can raise exceptions</span>
<span class="c1">// that Nimble will catch.</span>
<span class="c1">// (see https://github.com/Quick/Nimble/issues/220#issuecomment-172667064)</span>
<span class="k">let</span> <span class="nv">exception</span> <span class="o">=</span> <span class="kt">NSException</span><span class="p">(</span>
<span class="nv">name</span><span class="p">:</span> <span class="kt">NSInternalInconsistencyException</span><span class="p">,</span>
<span class="nv">reason</span><span class="p">:</span> <span class="s">"Not enough fish in the sea."</span><span class="p">,</span>
<span class="nv">userInfo</span><span class="p">:</span> <span class="p">[</span><span class="s">"something"</span><span class="p">:</span> <span class="s">"is fishy"</span><span class="p">])</span>
<span class="n">expect</span> <span class="p">{</span> <span class="n">exception</span><span class="o">.</span><span class="nf">raise</span><span class="p">()</span> <span class="p">}</span><span class="o">.</span><span class="nf">to</span><span class="p">(</span><span class="nf">raiseException</span><span class="p">())</span>
<span class="c1">// Also, you can customize raiseException to be more specific</span>
<span class="n">expect</span> <span class="p">{</span> <span class="n">exception</span><span class="o">.</span><span class="nf">raise</span><span class="p">()</span> <span class="p">}</span><span class="o">.</span><span class="nf">to</span><span class="p">(</span><span class="nf">raiseException</span><span class="p">(</span><span class="nv">named</span><span class="p">:</span> <span class="kt">NSInternalInconsistencyException</span><span class="p">))</span>
<span class="n">expect</span> <span class="p">{</span> <span class="n">exception</span><span class="o">.</span><span class="nf">raise</span><span class="p">()</span> <span class="p">}</span><span class="o">.</span><span class="nf">to</span><span class="p">(</span><span class="nf">raiseException</span><span class="p">(</span>
<span class="nv">named</span><span class="p">:</span> <span class="kt">NSInternalInconsistencyException</span><span class="p">,</span>
<span class="nv">reason</span><span class="p">:</span> <span class="s">"Not enough fish in the sea"</span><span class="p">))</span>
<span class="n">expect</span> <span class="p">{</span> <span class="n">exception</span><span class="o">.</span><span class="nf">raise</span><span class="p">()</span> <span class="p">}</span><span class="o">.</span><span class="nf">to</span><span class="p">(</span><span class="nf">raiseException</span><span class="p">(</span>
<span class="nv">named</span><span class="p">:</span> <span class="kt">NSInternalInconsistencyException</span><span class="p">,</span>