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1e15f975b8
* enable stricteffects * add gcsafe * fix tests * use func * fixes pegs tests * explicitly mark repr related procs with noSideEffect * add nimLegacyEffects * change URL * fixes docopt * add `raises: []` to repr * fixes weave * fixes nimyaml * fixes glob * fixes parsetoml * Apply suggestions from code review * Update testament/important_packages.nim * add legacy:laxEffects
25 lines
514 B
Nim
25 lines
514 B
Nim
block: # `.noSideEffect`
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func foo(bar: proc(): int): int {.effectsOf: bar.} = bar()
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var count = 0
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proc fn1(): int = 1
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proc fn2(): int = (count.inc; count)
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template accept(body) =
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doAssert compiles(block:
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body)
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template reject(body) =
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doAssert not compiles(block:
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body)
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accept:
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func fun1() = discard foo(fn1)
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reject:
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func fun1() = discard foo(fn2)
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var foo2: type(foo) = foo
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accept:
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func main() = discard foo(fn1)
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reject:
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func main() = discard foo2(fn1)
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