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Bad diagnostic for <code>any P!</code>

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

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

good first issueGood for newcomersGood for newcomers

implicitly unwrapped optionalsFeature → types: Implicitly unwrapped optional types, aka IUOFeature → types: Implicitly unwrapped optional types, aka IUO

swift 6.0

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

TypeResolver

typesFeature: typesFeature: types

unexpected behaviorBug: Unexpected behavior or incorrect outputBug: Unexpected behavior or incorrect output

Status: Open.

#72662 In swiftlang/swift;

· AnthonyLatsis opened on Mar 28, 2024

Compiler error when extending a typealias of a partially specialized generic 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

declarationsFeature: declarationsFeature: declarations

extensionFeature → declarations: `extension` declarationsFeature → declarations: `extension` declarations

genericsFeature: generic declarations and typesFeature: generic declarations and types

good first issueGood for newcomersGood for newcomers

swift 5.9

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

typealiasFeature → type declarations: `typealias` declarationsFeature → type declarations: `typealias` declarations

TypeResolver

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#68212 In swiftlang/swift;

· tapsns opened on Aug 30, 2023

Types named "Type" don't fare well with explicit qualification

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

swift 6.0

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

TypeResolver

typesFeature: typesFeature: types

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#67378 In swiftlang/swift;

· dabrahams opened on Jul 18, 2023

<code>Self</code> not indexed in function signatures

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

declarationsFeature: declarationsFeature: declarations

funcFeature → declarations: FunctionsFeature → declarations: Functions

indexingArea → source tooling: AST indexingArea → source tooling: AST indexing

methodsFeature → functions: methods (member functions)Feature → functions: methods (member functions)

Self in struct & enumFeature → types: The 'Self' type in structures and enumerationsFeature → types: The 'Self' type in structures and enumerations

source toolingArea: IDE support, SourceKit, and other source toolingArea: IDE support, SourceKit, and other source tooling

swift 5.9

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

TypeResolver

Status: Open.

#65672 In swiftlang/swift;

· keith opened on May 4, 2023

Unable to compile extension of generic type with generic subtype using the same type parameters.

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

extensionFeature → declarations: `extension` declarationsFeature → declarations: `extension` declarations

generic constraintsFeature → generics: generic constraintsFeature → generics: generic constraints

genericsFeature: generic declarations and typesFeature: generic declarations and types

swift 5.9

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

TypeResolver

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#64762 In swiftlang/swift;

· Gabardone opened on Mar 30, 2023

Nested generic extensions require <code>where</code> clauses instead of &lt;…&gt;

compilerThe Swift compiler itselfThe Swift compiler itself

extensionFeature → declarations: `extension` declarationsFeature → declarations: `extension` declarations

featureA feature request or implementationA feature request or implementation

genericsFeature: generic declarations and typesFeature: generic declarations and types

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

TypeResolver

Status: Open.

#63866 In swiftlang/swift;

· JessyCatterwaul opened on Feb 23, 2023

Array needs explicit type to compile

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

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

TypeResolver

Status: Open.

#62726 In swiftlang/swift;

· sarastro-nl opened on Dec 21, 2022

Allow discoverable, simple disambiguation between module &amp; type of the same name (e.g. <code>Foo.Foo</code>)

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

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

TypeResolver

Status: Open.

#62639 In swiftlang/swift;

· weissi opened on Dec 16, 2022

Compiler Error: Cannot find type 'CodingKeys' in scope

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

CodableArea → standard library: `Codable` and co.Area → standard library: `Codable` and co.

compilerThe Swift compiler itselfThe Swift compiler itself

conformancesFeature → protocol: protocol conformancesFeature → protocol: protocol conformances

derived conformancesFeature → protocol → conformances: derived conformances aka synthesized conformancesFeature → protocol → conformances: derived conformances aka synthesized conformances

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

TypeResolver

Status: Open.

#62106 In swiftlang/swift;

· garricn opened on Nov 15, 2022

[SR-14195] Swift emits an invalid module interface when a public type has the same name as a module

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

disambiguationBug: disambiguationBug: disambiguation

swift 5.9

textual interfaces

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

TypeResolver

typesFeature: typesFeature: types

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#56573 In swiftlang/swift;

· beccadax opened on Feb 12, 2021

[SR-1789] Swift can't infer types in generic methods that reuse part of the struct/class' parameters

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

swift 6.0

swift evolution proposal neededFlag → feature: A feature that warrants a Swift evolution proposalFlag → feature: A feature that warrants a Swift evolution proposal

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

type inferenceFeature: type inferenceFeature: type inference

TypeResolver

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#44398 In swiftlang/swift;

· swift-ci opened on Jun 16, 2016