groovy:closure

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--- groovy:closure [2016/08/05 08:57]
kwon37xi
+++ groovy:closure [2019/01/22 19:53]
kwon37xi
@@ 줄 4: / 줄 4: @@
   * [[http://mrhaki.blogspot.kr/2009/09/groovy-goodness-using-inject-method.html|Groovy Goodness: Using the Inject Method]] : ''inject'' is ''reduce''
   * [[https://tedvinke.wordpress.com/2015/08/16/groovy-weekend-collections-injecting-or-map-reduce/|Groovy Weekend – Collections: Injecting or Map Reduce]]
+====== Method Reference ======
+  * [[http://mrhaki.blogspot.com/2009/08/groovy-goodness-turn-methods-into.html|Groovy Goodness: Turn Methods into Closures]]
+<code groovy>
+public class JavaObject {
+ public static void javaSays(final String s) {
+  System.out.println("Java says: Hello " + s + "!");
+ }
+}
+// Groovy method to convert to closure.
+def groovySays(s) {
+ "Groovy says: Hello ${s}!"
+}
+// Use .& syntax to convert method to closure.
+names.each(this.&groovySays)
+// Convert Java method to closure and use it.
+def javaSays = JavaObject.&javaSays
+names.each javaSays
+</code>

groovy/closure.txt · 마지막으로 수정됨: 2019/01/22 19:53 저자 kwon37xi