Initial commit

first/explain/expressions/02-call-expression/main.go

@@ -0,0 +1,18 @@
+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+package main
+
+import (
+	"fmt"
+	"runtime"
+)
+
+func main() {
+	// runtime.NumCPU() is a call expression
+	fmt.Println(runtime.NumCPU() + 1)
+}