Initial data commit

Task/Reflection-List-methods/Go/reflection-list-methods.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"fmt"
+	"image"
+	"reflect"
+)
+
+type t int // A type definition
+
+// Some methods on the type
+func (r t) Twice() t       { return r * 2 }
+func (r t) Half() t        { return r / 2 }
+func (r t) Less(r2 t) bool { return r < r2 }
+func (r t) privateMethod() {}
+
+func main() {
+	report(t(0))
+	report(image.Point{})
+}
+
+func report(x interface{}) {
+	v := reflect.ValueOf(x)
+	t := reflect.TypeOf(x) // or v.Type()
+	n := t.NumMethod()
+	fmt.Printf("Type %v has %d exported methods:\n", t, n)
+	const format = "%-6s %-46s %s\n"
+	fmt.Printf(format, "Name", "Method expression", "Method value")
+	for i := 0; i < n; i++ {
+		fmt.Printf(format,
+			t.Method(i).Name,
+			t.Method(i).Func.Type(),
+			v.Method(i).Type(),
+		)
+	}
+	fmt.Println()
+}