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0ec8682abe
…haracterization with--warning:ResultUsed:on fixes #26062 > A return statement with no expression is shorthand for return result. > ResultUsed: Warn about the usage of the built-in result variable. > A procedure that does not have any return statement and does not use the special result variable returns the value of its last expression.
43 lines
712 B
Nim
43 lines
712 B
Nim
discard """
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action: compile
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cmd: "nim check --hints:off --warning:ResultUsed:on $file"
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nimout: '''
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tresultused.nim(34, 3) Warning: used 'result' variable [ResultUsed]
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tresultused.nim(37, 3) Warning: used 'result' variable [ResultUsed]
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'''
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"""
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let value = 0
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discard value
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for item in 0 .. 0:
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discard item
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proc usesLocal() =
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var local = 0
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discard local
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block:
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let result = 0
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discard result
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proc voidReturn() =
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return
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proc implicitReturn(): int =
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0
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proc explicitReturn(): int =
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return 0
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proc usesResult(): int =
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result = 0
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proc usesBareReturn(): int =
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return
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doAssert implicitReturn() == 0
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doAssert explicitReturn() == 0
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doAssert usesResult() == 0
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doAssert usesBareReturn() == 0
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