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Experimental ​function-type-reference-spacing rule Unexpected whitespace for anonymous functions #1440

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ViktorPetrovski opened this issue Mar 31, 2022 · 1 comment · Fixed by #1443
Closed

Experimental ​function-type-reference-spacing rule Unexpected whitespace for anonymous functions #1440

ViktorPetrovski opened this issue Mar 31, 2022 · 1 comment · Fixed by #1443
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bug function-type-reference-spacing rule
Milestone
0.46.0

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@ViktorPetrovski
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ViktorPetrovski commented Mar 31, 2022 •
edited

Expected Behavior

The rule experimental:function-type-reference-spacing is complaining with Unexpected whitespace for anonymous functions:
val annonymousFunction = fun(inString: String): String? = "Test string"

Observed Behavior

I believe that the anonymous function is properly written and should not complain about unexpected whitespace after the = operator. And removing the whitespace after the operator complains about Missing spacing after "="

Steps to Reproduce

Running Ktlin check that checks for experimental rules should reproduce this

Your Environment

  • Version of ktlint used: 0.45.1
  • Relevant parts of the .editorconfig settings n/a
  • Name and version (or code for custom task) of integration used (Gradle plugin, Maven plugin, command line, custom Gradle task): n/a
  • Version of Gradle used (if applicable): n/a
  • Operating System and version: n/a
paul-dingemans added a commit to paul-dingemans/ktlint that referenced this issue Apr 2, 2022
@paul-dingemans
Fix false positive FunctionTypeReferenceSpacingRule in anonymous func…
12eb688 
…tion

Rule should not depend on the existence of the function identifier
as it is also possible to define anonymous functions. Checking of
anonymous and named function should be identical.

Closes pinterest#1440
@paul-dingemans
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paul-dingemans commented Apr 2, 2022 •
edited

Tnx for reporting. Your example is correct. I was not aware that anonymous functions could be declared this way.

paul-dingemans added a commit to paul-dingemans/ktlint that referenced this issue Apr 2, 2022
@paul-dingemans
Update changelog
3b716e8 
Closes pinterest#1440
@paul-dingemans paul-dingemans mentioned this issue Apr 2, 2022
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@paul-dingemans paul-dingemans added this to the 0.46.0 milestone Apr 2, 2022
paul-dingemans added a commit that referenced this issue Apr 27, 2022
@paul-dingemans
Fix false positive FunctionTypeReferenceSpacingRule in anonymous func…
3472532 
…tion (#1443)

* Fix false positive FunctionTypeReferenceSpacingRule in anonymous function

Rule should not depend on the existence of the function identifier
as it is also possible to define anonymous functions. Checking of
anonymous and named function should be identical.

Closes #1440
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bug function-type-reference-spacing rule
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Fix false positive FunctionTypeReferenceSpacingRule in anonymous function paul-dingemans/ktlint
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@paul-dingemans @ViktorPetrovski