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-rw-r--r--go.html.markdown9
1 files changed, 9 insertions, 0 deletions
diff --git a/go.html.markdown b/go.html.markdown
index a9a7de72..e496117e 100644
--- a/go.html.markdown
+++ b/go.html.markdown
@@ -188,6 +188,15 @@ func learnFlowControl() {
x = 1.3e3 // This makes x == 1300
fmt.Println("xBig:", xBig()) // false now.
+ // What's more is function literals may be defined and called inline,
+ // acting as an argument to function, as long as:
+ // a) function literal is called immediately (),
+ // b) result type matches expected type of argument.
+ fmt.Println("Add + double two numbers: ",
+ func(a, b int) int {
+ return (a + b) * 2
+ }(10, 2)) // Called with args (10, 2)
+
// When you need it, you'll love it.
goto love
love: