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[SR-8512] Poor error messages for use of ternary without space before '?' #51032

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huonw mannequin opened this issue Aug 10, 2018 · 0 comments
Open

[SR-8512] Poor error messages for use of ternary without space before '?' #51032

huonw mannequin opened this issue Aug 10, 2018 · 0 comments
Labels
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 parser Area → compiler: The legacy C++ parser

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@huonw
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Mannequin

huonw mannequin commented Aug 10, 2018

Previous ID SR-8512
Radar rdar://problem/22477120
Original Reporter @huonw
Type Bug
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, DiagnosticsQoI, Parser
Assignee None
Priority Medium

md5: 87b882ed51323b93d22c2281c2236ec7

Issue Description:

true?1:0 // should be true ? 1 : 0

ternary.swift:1:6: error: consecutive statements on a line must be separated by ';'
true?1:0
     ^
     ;
ternary.swift:1:7: error: consecutive statements on a line must be separated by ';'
true?1:0
      ^
      ;
ternary.swift:1:7: error: expected expression
true?1:0
      ^
ternary.swift:1:5: error: cannot use optional chaining on non-optional value of type 'Bool'
true?1:0
~~~~^
    
ternary.swift:1:6: warning: integer literal is unused
true?1:0
     ^

It'd be nice if there was fewer of the follow on errors.

(Also, the behaviour is somewhat inconsistent: true ?1:0 works fine, unlike other operators like 1 +0.)
@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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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 parser Area → compiler: The legacy C++ parser
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