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Address Reducer._printChanges() sendability #3320

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merged 2 commits into from
Aug 30, 2024
Merged

Address Reducer._printChanges() sendability #3320

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4c997e7
Address `Reducer._printChanges()` sendability
stephencelis Aug 28, 2024
1f19dab
Unchecked send the debug printing
stephencelis Aug 30, 2024
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19 changes: 14 additions & 5 deletions Sources/ComposableArchitecture/Reducer/Reducers/DebugReducer.swift
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
import Combine
import Dispatch

extension Reducer {
extension Reducer where State: Sendable, Action: Sendable {
/// Enhances a reducer with debug logging of received actions and state mutations for the given
/// printer.
///
Expand All @@ -21,13 +21,21 @@ extension Reducer {

private let printQueue = DispatchQueue(label: "co.pointfree.swift-composable-architecture.printer")

public struct _ReducerPrinter<State, Action> {
private let _printChange: (_ receivedAction: Action, _ oldState: State, _ newState: State) -> Void
public struct _ReducerPrinter<State, Action>: Sendable {
private let _printChange: @Sendable (
_ receivedAction: Action,
_ oldState: State,
_ newState: State
) -> Void
@usableFromInline
let queue: DispatchQueue

public init(
printChange: @escaping (_ receivedAction: Action, _ oldState: State, _ newState: State) -> Void,
printChange: @escaping @Sendable (
_ receivedAction: Action,
_ oldState: State,
_ newState: State
) -> Void,
queue: DispatchQueue? = nil
) {
self._printChange = printChange
Expand Down Expand Up @@ -58,7 +66,8 @@ extension _ReducerPrinter {
}
}

public struct _PrintChangesReducer<Base: Reducer>: Reducer {
public struct _PrintChangesReducer<Base: Reducer>: Reducer
where Base.State: Sendable, Base.Action: Sendable {
@usableFromInline
let base: Base

Expand Down