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fp-go/di/app.go

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// Copyright (c) 2023 IBM Corp.
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package di
import (
DIE "github.com/IBM/fp-go/di/erasure"
F "github.com/IBM/fp-go/function"
IO "github.com/IBM/fp-go/io"
IOE "github.com/IBM/fp-go/ioeither"
)
var (
// InjMain is the [InjectionToken] for the main application
InjMain = MakeToken[any]("APP")
// Main is the resolver for the main application
Main = Resolve(InjMain)
)
// RunMain runs the main application from a set of [DIE.Provider]s
var RunMain = F.Flow3(
DIE.MakeInjector,
Main,
IOE.Fold(IO.Of[error], F.Constant1[any](IO.Of[error](nil))),
)