codekingpro/portable-devtools

1// run2 3// Copyright 2021 The Go Authors. All rights reserved.4// Use of this source code is governed by a BSD-style5// license that can be found in the LICENSE file.6 7// Test cases where a main dictionary is needed inside a generic function/method, because8// we are calling a method on a fully-instantiated type or a fully-instantiated function.9// (probably not common situations, of course)10 11package main12 13import (14	"fmt"15)16 17type C comparable18 19type value[T C] struct {20	val T21}22 23func (v *value[T]) test(def T) bool {24	return (v.val == def)25}26 27func (v *value[T]) get(def T) T {28	var c value[int]29	if c.test(32) {30		return def31	} else if v.test(def) {32		return def33	} else {34		return v.val35	}36}37 38func main() {39	var s value[string]40	if got, want := s.get("ab"), ""; got != want {41		panic(fmt.Sprintf("get() == %d, want %d", got, want))42	}43}44