added is.conforms, without docs and tests

lib/is.js

@@ -631,6 +631,51 @@
 
     } )
 
+
+    //
+    // __is.conforms( object , schema , [strict=false] )__
+    //
+
+    util.addPredicate( 'conforms' , function isConforms( object , schema , strict ) {
+
+      var key
+      var keys
+      var index
+      var length
+
+      if ( is.not.object( object ) ) {
+        throw new TypeError( 'expected `object` to be an object, got "' + getTag( object ) + '"' )
+      }
+
+      if ( is.not.object( schema ) ) {
+        throw new TypeError( 'expected `schema` to be an object, got "' + getTag( schema ) + '"' )
+      }
+
+      keys = ownKeys( schema )
+      length = keys.length
+
+      if ( strict && length !== ownKeys( object ).length ) {
+        return false
+      }
+
+      for ( index = 0 ; index < length ; index += 1 ) {
+
+        key = keys[ index ]
+
+        if ( typeof schema[ key ] !== 'function' ) {
+          continue
+        }
+
+        if ( !schema[ key ]( object[ key ] , key , object ) ) {
+          return false
+        }
+
+      }
+
+      return true
+
+    } )
+
   } )