go/test/typeparam/issue48645a.go

32 строки
524 B
Go

// run -gcflags=-G=3
// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"reflect"
)
type Stream[T any] struct {
}
func (s Stream[T]) DropWhile() Stream[T] {
return Pipe[T, T](s)
}
func Pipe[T, R any](s Stream[T]) Stream[R] {
it := func(fn func(R) bool) {
}
fmt.Println(reflect.TypeOf(it).String())
return Stream[R]{}
}
func main() {
s := Stream[int]{}
s = s.DropWhile()
}