mirror of
https://github.com/golang/go
synced 2024-11-18 05:54:49 -07:00
e24977d231
The next CL will remove the -G flag, effectively hard-coding it to its current default (-G=3). Change-Id: Ib4743b529206928f9f1cca9fdb19989728327831 Reviewed-on: https://go-review.googlesource.com/c/go/+/388534 Reviewed-by: Keith Randall <khr@golang.org> Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
46 lines
822 B
Go
46 lines
822 B
Go
// run
|
|
|
|
// 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
|
|
|
|
type hello struct{}
|
|
|
|
func main() {
|
|
_ = Some(hello{})
|
|
res := Applicative2(func(a int, b int) int {
|
|
return 0
|
|
})
|
|
_ = res
|
|
}
|
|
|
|
type NoneType[T any] struct{}
|
|
|
|
func (r NoneType[T]) Recover() any {
|
|
return nil
|
|
}
|
|
|
|
type Func2[A1, A2, R any] func(a1 A1, a2 A2) R
|
|
|
|
func Some[T any](v T) any {
|
|
_ = Some2[T](v)
|
|
return NoneType[T]{}.Recover()
|
|
}
|
|
|
|
//go:noinline
|
|
func Some2[T any](v T) any {
|
|
return v
|
|
}
|
|
|
|
type Nil struct{}
|
|
|
|
type ApplicativeFunctor2[H, HT, A1, A2, R any] struct {
|
|
h any
|
|
}
|
|
|
|
func Applicative2[A1, A2, R any](fn Func2[A1, A2, R]) ApplicativeFunctor2[Nil, Nil, A1, A2, R] {
|
|
return ApplicativeFunctor2[Nil, Nil, A1, A2, R]{Some(Nil{})}
|
|
}
|