79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
/*
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* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package async
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import (
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"unsafe"
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_ "unsafe"
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)
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const (
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LLGoPackage = "decl"
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)
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type Void = [0]byte
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// -----------------------------------------------------------------------------
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type Promise[TOut any] struct {
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hdl unsafe.Pointer
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value TOut
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}
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// // llgo:link (*Promise).Await llgo.coAwait
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func (p *Promise[TOut]) Await() TOut {
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panic("should not executed")
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}
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func (p *Promise[TOut]) Return(v TOut) {
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p.value = v
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coReturn(p.hdl)
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}
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// llgo:link (*Promise).Yield llgo.coYield
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func (p *Promise[TOut]) Yield(v TOut) {}
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// llgo:link (*Promise).Suspend llgo.coSuspend
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func (p *Promise[TOut]) Suspend() {}
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func (p *Promise[TOut]) Resume() {
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coResume(p.hdl)
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}
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func (p *Promise[TOut]) Next() TOut {
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coResume(p.hdl)
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return p.value
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}
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// TODO(lijie): should merge to Yield()
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// call by llgo.coYield
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func (p *Promise[TOut]) setValue(v TOut) {
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p.value = v
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}
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func (p *Promise[TOut]) Value() TOut {
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return p.value
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}
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func (p *Promise[TOut]) Done() bool {
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return coDone(p.hdl) != 0
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}
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func Run[TOut any](f func() TOut) TOut {
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panic("should not executed")
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}
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