.swift-format: Enable ReturnVoidInsteadOfEmptyTuple

AnthonyLatsis · AnthonyLatsis · commit 7a35d08039dd · 2025-06-23T19:57:00.000+01:00
diff --git a/.swift-format b/.swift-format
@@ -13,6 +13,7 @@
         "NoBlockComments": false,
         "OrderedImports": true,
         "UseLetInEveryBoundCaseVariable": false,
-        "UseSynthesizedInitializer": false
+        "UseSynthesizedInitializer": false,
+        "ReturnVoidInsteadOfEmptyTuple": true,
     }
 }
diff --git a/Sources/swift-format/Frontend/FormatFrontend.swift b/Sources/swift-format/Frontend/FormatFrontend.swift
@@ -40,7 +40,7 @@ class FormatFrontend: Frontend {
       return
     }
 
-    let diagnosticHandler: (SwiftDiagnostics.Diagnostic, SourceLocation) -> () = {
+    let diagnosticHandler: (SwiftDiagnostics.Diagnostic, SourceLocation) -> Void = {
       (diagnostic, location) in
       guard !self.lintFormatOptions.ignoreUnparsableFiles else {
         // No diagnostics should be emitted in this mode.

Original file line number	Diff line number	Diff line change
`@@ -13,6 +13,7 @@`
`13`	`13`	`"NoBlockComments": false,`
`14`	`14`	`"OrderedImports": true,`
`15`	`15`	`"UseLetInEveryBoundCaseVariable": false,`
`16`		`- "UseSynthesizedInitializer": false`
	`16`	`+ "UseSynthesizedInitializer": false,`
	`17`	`+ "ReturnVoidInsteadOfEmptyTuple": true,`
`17`	`18`	`}`
`18`	`19`	`}`
Original file line number	Diff line number	Diff line change
`@@ -40,7 +40,7 @@ class FormatFrontend: Frontend {`
`40`	`40`	`return`
`41`	`41`	`}`
`42`	`42`
`43`		`- let diagnosticHandler: (SwiftDiagnostics.Diagnostic, SourceLocation) -> () = {`
	`43`	`+ let diagnosticHandler: (SwiftDiagnostics.Diagnostic, SourceLocation) -> Void = {`
`44`	`44`	`(diagnostic, location) in`
`45`	`45`	`guard !self.lintFormatOptions.ignoreUnparsableFiles else {`
`46`	`46`	`// No diagnostics should be emitted in this mode.`