Merge pull request Kotlin#77 from nastra/ext-function-improved-docs

Improve docs in ExtensionFunctions examples
pacdouglas · May 26, 2017 · 1203997 · 1203997
2 parents c4f9a43 + 80b0bb8
commit 1203997
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/i_introduction/_9_Extension_Functions/ExtensionFunctions.kt b/src/i_introduction/_9_Extension_Functions/ExtensionFunctions.kt
@@ -3,12 +3,14 @@ package i_introduction._9_Extension_Functions
 import util.TODO
 import util.doc9
 
+// declares an extension function that returns the last character
 fun String.lastChar() = this.get(this.length - 1)
 
-// 'this' can be omitted
+
+// declares an extension function where 'this' can be omitted
 fun String.lastChar1() = get(length - 1)
 
-fun use() {
+fun useExtensionFunction() {
     // try Ctrl+Space "default completion" after the dot: lastChar() is visible
     "abc".lastChar()
 }