Merge pull request #33 from tsingbx/main

Add help doc for multiple return values

202-Multiple-Return-Values/multi-rets.gop

@@ -0,0 +1,22 @@
+// Go+ has built-in support for _multiple return values_.
+// This feature is used often in idiomatic Go+, for example
+// to return both result and error values from a function.
+
+import "fmt"
+
+// The `(int, int)` in this function signature shows that
+// the function returns 2 `int`s.
+func vals() (int, int) {
+	return 3, 7
+}
+
+// Here we use the 2 different return values from the
+// call with _multiple assignment_.
+a, b := vals()
+println a
+println b
+
+// If you only want a subset of the returned values,
+// use the blank identifier `_`.
+_, c := vals()
+println c