Add List.map method and test

2014-02-14 23:06:29 -06:00
parent b1bae8fc6c
commit 83ea5aaf45
3 changed files with 21 additions and 0 deletions
--- a/builtin/core.wren
+++ b/builtin/core.wren
@ -16,4 +16,12 @@ class List {
    }
    return result
  }
+  
+  map (f) {
+    var result = []
+    for (element in this) {
+      result.add(f.call(element))
+    }
+    return result
+  }
 }