Data commit

Task/Send-an-unknown-method-call/Go/send-an-unknown-method-call.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+    "fmt"
+    "reflect"
+)
+
+type example struct{}
+
+// the method must be exported to be accessed through reflection.
+func (example) Foo() int {
+    return 42
+}
+
+func main() {
+    // create an object with a method
+    var e example
+    // get the method by name
+    m := reflect.ValueOf(e).MethodByName("Foo")
+    // call the method with no argments
+    r := m.Call(nil)
+    // interpret first return value as int
+    fmt.Println(r[0].Int()) // => 42
+}