mirror of https://github.com/pulumi/pulumi.git
64 lines
1.9 KiB
Go
64 lines
1.9 KiB
Go
// Copyright 2016-2023, Pulumi Corporation.
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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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package pulumix
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import (
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"context"
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"github.com/pulumi/pulumi/sdk/v3/go/internal"
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)
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// FlattenContext unpacks an Output stored inside another input,
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// returning an output containing the underlying value.
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func FlattenContext[A any, I Input[A]](ctx context.Context, i Input[I]) Output[A] {
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outputOutputA := i.ToOutput(ctx)
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stateOutputOutputA := internal.GetOutputState(outputOutputA)
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stateA := internal.NewOutputState(
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internal.OutputJoinGroup(stateOutputOutputA),
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typeOf[A](),
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internal.OutputDependencies(stateOutputOutputA)...,
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)
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go func() {
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var outputA I
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var a A
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applier := newApplyNState[A](stateA)
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applyNStep(ctx, &applier, outputOutputA, &outputA)
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applyNStep(ctx, &applier, outputA.ToOutput(ctx), &a)
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if applier.ok {
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applier.finish(a, nil /* err */)
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}
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}()
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return Output[A]{OutputState: stateA}
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}
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// Flatten unpacks the Output stored inside another input,
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// returning an output containing the underlying value.
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//
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// This is a variant of FlattenContext
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// that uses the background context.
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func Flatten[A any, I Input[A]](i Input[I]) Output[A] {
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return FlattenContext[A, I](context.Background(), i)
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}
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// All combines multiple inputs into a single output
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// that produces a list of all the input values.
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func All(args ...Input[any]) Output[[]any] {
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return Array[any](args).ToOutput(context.Background())
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}
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