Merge pull request #657 from szaydel/master

Golang - lack of information about named return values in functions

1 files changed, 10 insertions, 0 deletions

diff --git a/go.html.markdown b/go.html.markdown
index bb6b04eb..c70f96bd 100644
--- a/go.html.markdown
+++ b/go.html.markdown
@@ -116,6 +116,16 @@ can include line breaks.` // Same string type.
     learnFlowControl() // Back in the flow.
 }
 
+// It is possible, unlike in many other languages for functions in go 
+// to have named return values.
+// Assigning a name to the type being returned in the function declaration line
+// allows us to easily return from multiple points in a function as well as to 
+// only use the return keyword, without anything further.
+func learnNamedReturns(x, y int) (z int) {
+    z = x * y
+    return              // z is implicit here, because we named it earlier.
+}
+
 // Go is fully garbage collected.  It has pointers but no pointer arithmetic.
 // You can make a mistake with a nil pointer, but not by incrementing a pointer.
 func learnMemory() (p, q *int) {