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| -rw-r--r-- | go.html.markdown | 10 |
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) { |