Исходники и презентации

lessons/generics_and_reflection/reflect_function_call/main.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"fmt"
+	"reflect"
+)
+
+type Vector struct {
+	X int
+	Y int
+}
+
+func (v Vector) Add(factor int) int {
+	return (v.X + v.Y) * factor
+}
+
+func main() {
+	vector := Vector{X: 5, Y: 15}
+	vVector := reflect.ValueOf(vector)
+
+	vAdd := vVector.MethodByName("Add")
+	vResults := vAdd.Call([]reflect.Value{reflect.ValueOf(2)})
+
+	fmt.Println(vResults[0].Int())
+
+	negative := func(x int) int {
+		return -x
+	}
+
+	vNegative := reflect.ValueOf(negative)
+	vResults = vNegative.Call([]reflect.Value{reflect.ValueOf(100)})
+	fmt.Println(vResults[0].Int())
+}