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Default argument establishing type relationship between type parameters not rejected
accepts invalid
Bug: Accepts invalid
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
default arguments
Feature: default arguments for value parameters
generics
Feature: generic declarations and types
swift 5.9
type checker
Area → compiler: Semantic analysis
type inference
Feature: type inference
#65089
opened Apr 12, 2023 by
AnthonyLatsis
Default argument not type-checked causing crash
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
default arguments
Feature: default arguments for value parameters
generics
Feature: generic declarations and types
swift 5.9
type checker
Area → compiler: Semantic analysis
verifier
#65090
opened Apr 12, 2023 by
AnthonyLatsis
[SR-8898] CodeCompletion: Forward references do not show up in top-level module scope
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
code completion
Area → source tooling: code completion
source tooling
Area: IDE support, SourceKit, and other source tooling
#51404
opened Oct 2, 2018 by
AnthonyLatsis
[SR-12707] Associated types with type parameters in their superclass bounds cannot be witnessed
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#55151
opened Apr 30, 2020 by
AnthonyLatsis
[SR-14295] super.init allowed in static method
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
SILGen
Area → compiler: The SIL generation stage
type checker
Area → compiler: Semantic analysis
#56654
opened Mar 3, 2021 by
AnthonyLatsis
@discardableResult
works with try
and try!
, but not try?
attributes
#71870
opened Feb 24, 2024 by
AnthonyLatsis
[SR-7173] AutoComplete doesn't show "Color Literal" after return keyword
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
code completion
Area → source tooling: code completion
source tooling
Area: IDE support, SourceKit, and other source tooling
#49721
opened Mar 11, 2018 by
AnthonyLatsis
[SR-7405] Protocol compositions: improve composing diagnostics
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
improvement
#49948
opened Apr 11, 2018 by
AnthonyLatsis
[SR-7616] 'code will never execute' for compound conditions && other simple cases
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
improvement
missing warning
Bug: Missing warning
SIL
#50158
opened May 6, 2018 by
AnthonyLatsis
[SR-7626] show 'Expected ')' in expression list' on an appropriate line
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
improvement
parser
Area → compiler: The legacy C++ parser
#50168
opened May 8, 2018 by
AnthonyLatsis
[SR-7711] Redundant redeclaration checking for overloads
compiler
The Swift compiler in itself
improvement
type checker
Area → compiler: Semantic analysis
#50251
opened May 17, 2018 by
AnthonyLatsis
[SR-7751] No redeclaration errors in inheriting protocols
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
type checker
Area → compiler: Semantic analysis
#50291
opened May 23, 2018 by
AnthonyLatsis
[SR-9571] Compiler raises regular errors on placeholder signatures
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
code completion
Area → source tooling: code completion
source tooling
Area: IDE support, SourceKit, and other source tooling
#52018
opened Dec 24, 2018 by
AnthonyLatsis
Supply an toolchain alias matching its name to swift.org toolchains
contributor experience
feature
A feature request or implementation
macOS
Platform: macOS
toolchain
#63436
opened Feb 5, 2023 by
AnthonyLatsis
Compiler crash type-checking force-unwrap of variable of undefined optional type
assertion failure
Bug → crash: An assertion failure
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
expressions
Feature: expressions
force-value
Feature → expressions: Force-value aka force-unwrap expression
swift 5.9
type checker
Area → compiler: Semantic analysis
#65987
opened May 17, 2023 by
AnthonyLatsis
Bad diagnostic for A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
good first issue
Good for newcomers
implicitly unwrapped optionals
Feature → types: Implicitly unwrapped optional types, aka IUO
swift 6.0
type checker
Area → compiler: Semantic analysis
TypeResolver
types
Feature: types
unexpected behavior
Bug: Unexpected behavior or incorrect output
any P!
bug
#72662
opened Mar 28, 2024 by
AnthonyLatsis
[SR-7324] "Overriding" associated types in protocol extensions is dangerous, source-breaking and likely meaningless.
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#49872
opened Mar 31, 2018 by
AnthonyLatsis
[SR-15746] Incorrect expected argument type displayed in error message
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
type checker
Area → compiler: Semantic analysis
#58023
opened Jan 18, 2022 by
AnthonyLatsis
[SR-7617] 'value of type has no member' for apply expressions
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
improvement
type checker
Area → compiler: Semantic analysis
#50159
opened May 6, 2018 by
AnthonyLatsis
Anonymous property not allowed to have The Swift compiler in itself
improvement
opaque types
Feature → types: opaque types
type checker
Area → compiler: Semantic analysis
some
type
compiler
#61578
opened Oct 14, 2022 by
AnthonyLatsis
Bad diagnostic for missing A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
result builders
Feature: Result builders
swift 5.9
switch
Feature → statements: 'switch' statements
type checker
Area → compiler: Semantic analysis
buildEither(second:)
implementation when using a switch
bug
#64142
opened Mar 6, 2023 by
AnthonyLatsis
Requirement machine internal error on simple recursive same-type requirement
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
generic constraints
Feature → generics: generic constraints
generics
Feature: generic declarations and types
internal error
Bug: Internal error
swift 6.0
type checker
Area → compiler: Semantic analysis
#70875
opened Jan 12, 2024 by
AnthonyLatsis
Closure as repetition pattern in pack expansion not allowed
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
closures
Feature: closures
compiler
The Swift compiler in itself
expressions
Feature: expressions
generics
Feature: generic declarations and types
pack expansions
Feature → expressions: Pack expansion expressions
swift 6.0
type checker
Area → compiler: Semantic analysis
unexpected error
Bug: Unexpected error
variadic generics
Feature → generics: Variadic generics
#69282
opened Oct 19, 2023 by
AnthonyLatsis
[SR-7257] Property observers being called on a nil struct instance upon attempt to mutate a member property
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#49805
opened Mar 22, 2018 by
AnthonyLatsis
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