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[SR-12260] It's impossible to change the default type for array and dictionary literals #54688

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swift-ci opened this issue Feb 24, 2020 · 2 comments
Open

[SR-12260] It's impossible to change the default type for array and dictionary literals #54688

swift-ci opened this issue Feb 24, 2020 · 2 comments
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compiler The Swift compiler itself good first issue Good for newcomers improvement standard library Area: Standard library umbrella swift evolution proposal needed Flag → feature: A feature that warrants a Swift evolution proposal

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@swift-ci
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Previous ID SR-12260
Radar rdar://problem/59740182
Original Reporter cukier (JIRA User)
Type Improvement
Additional Detail from JIRA
Votes 0
Component/s Compiler, Standard Library
Labels Improvement, StarterProposal
Assignee None
Priority Medium

md5: 37f9095891a29ee41ce249e50f84041f

Issue Description:

It's possible to change the default types for all literals except array and dictionary

https://developer.apple.com/documentation/swift/swift_standard_library/initialization_with_literals/default_literal_types
@typesanitizer
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I suspect the reason for this is that these came before the language had support for generic typealiases. For example, if one looks at the history of `public/core/Policy.swift`, one sees that the line

public typealias BooleanLiteralType = Bool

was added in 2014.

@CodaFi
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CodaFi commented Feb 25, 2020

This would make for a good evolution proposal. Retagging.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added good first issue Good for newcomers swift evolution proposal needed Flag → feature: A feature that warrants a Swift evolution proposal and removed StarterProposal labels Nov 11, 2022
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compiler The Swift compiler itself good first issue Good for newcomers improvement standard library Area: Standard library umbrella swift evolution proposal needed Flag → feature: A feature that warrants a Swift evolution proposal
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@CodaFi @typesanitizer @swift-ci @AnthonyLatsis