Search results

Improve diagnostics for 'let…else' without 'guard'

compilerThe Swift compiler itselfThe Swift compiler itself

diagnostics QoIBug: Diagnostics Quality of ImplementationBug: Diagnostics Quality of Implementation

featureA feature request or implementationA feature request or implementation

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

swift 6.2

Status: Open.

#81728 In swiftlang/swift;

· jrose-signal opened on May 23, 2025

Trailing comma not allowed in @available annotation despite SE-0439

attributesFeature: Declaration and type attributesFeature: Declaration and type attributes

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

swift 6.2

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#81475 In swiftlang/swift;

· calda opened on May 13, 2025

5.10 compiler emits syntax error on code in #if(compiler>=6.0) block under specific conditions

assertion failureBug → crash: An assertion failureBug → crash: An assertion failure

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

† libswiftSyntaxArchive • Area → compiler: the once-integrated C++ Syntax library succeeded by SwiftSyntaxArchive • Area → compiler: the once-integrated C++ Syntax library succeeded by SwiftSyntax

Status: Open.

#79285 In swiftlang/swift;

· gwynne opened on Feb 10, 2025

Compiler errors out on <code>let _: (any Any).Type = (any Any).self</code>

AnyFeature → types: The `Any` built-in typeFeature → types: The `Any` built-in type

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

existentialsFeature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased valuesFeature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values

expressionsFeature: expressionsFeature: expressions

metatypesFeature → types: MetatypesFeature → types: Metatypes

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

swift 6.0

typesFeature: typesFeature: types

Status: Open.

#78042 In swiftlang/swift;

· AnthonyLatsis opened on Dec 7, 2024

Parser error for <code>final get</code>

accessorsFeature → declarations: Variable (property) accessorsFeature → declarations: Variable (property) accessors

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

modifiersFeature: Declaration and type modifiersFeature: Declaration and type modifiers

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

swift 6.0

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#75933 In swiftlang/swift;

· AnthonyLatsis opened on Aug 16, 2024

Bad recovery from <code>self.x</code> vs. <code>x</code> in <code>@storageRestrictions</code> argument

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

diagnostics QoIBug: Diagnostics Quality of ImplementationBug: Diagnostics Quality of Implementation

expressionsFeature: expressionsFeature: expressions

init accessorsFeature: Initialization property accessorsFeature: Initialization property accessors

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

selfFeature → expressions: The 'self' expressionFeature → expressions: The 'self' expression

swift 6.0

Status: Open.

#74190 In swiftlang/swift;

· AnthonyLatsis opened on Jun 6, 2024

Typo of <code>any</code> vs <code>Any</code> resulted in an unhelpful error message

compilerThe Swift compiler itselfThe Swift compiler itself

diagnostics QoIBug: Diagnostics Quality of ImplementationBug: Diagnostics Quality of Implementation

existentialsFeature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased valuesFeature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values

improvement

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

swift 6.1

typesFeature: typesFeature: types

Status: Open.

#73928 In swiftlang/swift;

· mattmassicotte opened on May 27, 2024

<code>guard with</code> statement for shorter and clearer writing

compilerThe Swift compiler itselfThe Swift compiler itself

featureA feature request or implementationA feature request or implementation

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

statementsFeature: statementsFeature: statements

type checkerArea → compiler: Semantic analysisArea → compiler: Semantic analysis

Status: Open.

#70958 In swiftlang/swift;

· benjamin-kramer opened on Jan 17, 2024

Bad diagnostic for generic parameter list on enum case

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

declarationsFeature: declarationsFeature: declarations

diagnostics QoIBug: Diagnostics Quality of ImplementationBug: Diagnostics Quality of Implementation

enum casesFeature → enums: Enum casesFeature → enums: Enum cases

genericsFeature: generic declarations and typesFeature: generic declarations and types

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

swift 6.0

Status: Open.

#69036 In swiftlang/swift;

· mininny opened on Oct 7, 2023

Referring to a type with an empty generic parameter pack causes "Cannot find operator '&lt;&gt;' in scope" error.

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

expressionsFeature: expressionsFeature: expressions

genericsFeature: generic declarations and typesFeature: generic declarations and types

parameter packsFeature → generics: Parameter packsFeature → generics: Parameter packs

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

swift 6.0

typesFeature: typesFeature: types

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#68290 In swiftlang/swift;

· jamesmmadeira opened on Sep 2, 2023

Keywords like <code>case</code> cannot be used, unescaped, as expression macro names

backticked identifiersFeature → identifiers: Backticked identifiers. Allows using reserved words as identifiersFeature → identifiers: Backticked identifiers. Allows using reserved words as identifiers

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

expressionsFeature: expressionsFeature: expressions

identifiersFeature: IdentifiersFeature: Identifiers

macro expansionsFeature → expressions: Macro expansion expressionsFeature → expressions: Macro expansion expressions

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

swift 5.9

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#66444 In swiftlang/swift;

· stephencelis opened on Jun 8, 2023

hasFeature() by itself doesn't prevent parsing of new syntax

#ifFeature → compiler control statements: Conditional compilation blocksFeature → compiler control statements: Conditional compilation blocks

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

compiler control statementsFeature: compiler control statementsFeature: compiler control statements

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

swift 5.8

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#64627 In swiftlang/swift;

· gwynne opened on Mar 26, 2023