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//
// InputOperation.swift
// Operations
//
// Created by pronebird on 09/06/2022.
// Copyright © 2022 Mullvad VPN AB. All rights reserved.
//
import Foundation
public protocol InputOperation: Operation {
associatedtype Input
var input: Input? { get }
func setInputBlock(_ block: @escaping () -> Input?)
func inject<T>(from dependency: T)
where T: OutputOperation, T.Output == Input
func inject<T>(from dependency: T, via block: @escaping (T.Output) -> Input)
where T: OutputOperation
}
extension InputOperation {
public func inject<T>(from dependency: T) where T: OutputOperation, T.Output == Input {
inject(from: dependency, via: { $0 })
}
public func inject<T>(from dependency: T, via block: @escaping (T.Output) -> Input)
where T: OutputOperation
{
setInputBlock {
return dependency.output.map { value in
return block(value)
}
}
addDependency(dependency)
}
public func injectMany<Context>(context: Context) -> InputInjectionBuilder<Self, Context> {
return InputInjectionBuilder(
operation: self,
context: context
)
}
}
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