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Fix Swift 6 @MainActor isolation error #107

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Fix Swift 6 @MainActor isolation error #107

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31ffbdf
Fix Swift 6 MainActor isolation by bumping swift-tools-version to 6.0
devxoul Mar 10, 2026
3b2f791
Update SWIFT_VERSION to 6.0 in Tuist project
devxoul Mar 10, 2026
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4 changes: 2 additions & 2 deletions Package.swift
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Original file line number Diff line number Diff line change
@@ -1,11 +1,11 @@
// swift-tools-version:5.0
// swift-tools-version:6.0

import PackageDescription

let package = Package(
name: "Then",
platforms: [
.macOS(.v10_10), .iOS(.v9), .tvOS(.v9), .watchOS(.v2),
.macOS(.v10_13), .iOS(.v12), .tvOS(.v12), .watchOS(.v4),
],
products: [
.library(name: "Then", targets: ["Then"]),
Expand Down
16 changes: 8 additions & 8 deletions Project.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ let project = Project(
headers: .headers(public: "Sources/Then/**/*.h"),
settings: .settings(
base: [
"SWIFT_VERSION": "5.0",
"SWIFT_VERSION": "6.0",
"PRODUCT_NAME": "Then",
"PRODUCT_MODULE_NAME": "Then",
],
Expand All @@ -43,7 +43,7 @@ let project = Project(
],
settings: .settings(
base: [
"SWIFT_VERSION": "5.0",
"SWIFT_VERSION": "6.0",
],
),
),
Expand All @@ -58,7 +58,7 @@ let project = Project(
headers: .headers(public: "Sources/Then/**/*.h"),
settings: .settings(
base: [
"SWIFT_VERSION": "5.0",
"SWIFT_VERSION": "6.0",
"PRODUCT_NAME": "Then",
"PRODUCT_MODULE_NAME": "Then",
],
Expand All @@ -77,7 +77,7 @@ let project = Project(
],
settings: .settings(
base: [
"SWIFT_VERSION": "5.0",
"SWIFT_VERSION": "6.0",
],
),
),
Expand All @@ -92,7 +92,7 @@ let project = Project(
headers: .headers(public: "Sources/Then/**/*.h"),
settings: .settings(
base: [
"SWIFT_VERSION": "5.0",
"SWIFT_VERSION": "6.0",
"PRODUCT_NAME": "Then",
"PRODUCT_MODULE_NAME": "Then",
],
Expand All @@ -111,7 +111,7 @@ let project = Project(
],
settings: .settings(
base: [
"SWIFT_VERSION": "5.0",
"SWIFT_VERSION": "6.0",
],
),
),
Expand All @@ -126,7 +126,7 @@ let project = Project(
headers: .headers(public: "Sources/Then/**/*.h"),
settings: .settings(
base: [
"SWIFT_VERSION": "5.0",
"SWIFT_VERSION": "6.0",
"PRODUCT_NAME": "Then",
"PRODUCT_MODULE_NAME": "Then",
],
Expand All @@ -145,7 +145,7 @@ let project = Project(
],
settings: .settings(
base: [
"SWIFT_VERSION": "5.0",
"SWIFT_VERSION": "6.0",
],
),
),
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34 changes: 34 additions & 0 deletions Tests/ThenTests/ThenTests.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -70,4 +70,38 @@ class ThenTests: XCTestCase {
},
)
}

@MainActor
func testThen_MainActorIsolated() {
@MainActor class MyView: NSObject {
var title: String = ""
}
let view = MyView().then {
$0.title = "hello"
}
XCTAssertEqual(view.title, "hello")
}

@MainActor
func testWith_MainActorIsolated() {
@MainActor struct Config: Then {
var value: Int = 0
}
let config = Config().with {
$0.value = 42
}
XCTAssertEqual(config.value, 42)
}

@MainActor
func testDo_MainActorIsolated() {
@MainActor class Store: NSObject {
var count: Int = 0
}
let store = Store()
store.do {
$0.count = 10
}
XCTAssertEqual(store.count, 10)
}
}
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