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refactor illegal iterator assignment detection (#12212)

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* refactor illegal iterator assignment detection

* delete crappy test
This commit is contained in:
Arne Döring 2019-10-11 08:43:58 +02:00 • committed by Andreas Rumpf
commit 7cf3395d85
9 changed files with 54 additions and 54 deletions
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28
tests/errmsgs/ttypeAllowed.nim Normal file
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discard """
cmd: "nim check $file"
errmsg: ""
nimout: '''
ttypeAllowed.nim(13, 5) Error: invalid type: 'iterator (a: int, b: int, step: Positive): int{.inline, noSideEffect, gcsafe, locks: 0.}' for let
ttypeAllowed.nim(17, 7) Error: invalid type for const: iterator (a: int, b: int, step: Positive): int{.inline, noSideEffect, gcsafe, locks: 0.}
ttypeAllowed.nim(21, 5) Error: invalid type: 'iterator (a: int, b: int, step: Positive): int{.inline, noSideEffect, gcsafe, locks: 0.}' for var
ttypeAllowed.nim(26, 10) Error: invalid type: 'iterator (a: int, b: int, step: Positive): int{.inline, noSideEffect, gcsafe, locks: 0.}' for result
'''
"""
let f1 = case true
of true: countup[int]
of false: countdown[int]
const f2 = case true
of true: countup[int]
of false: countdown[int]
var f3 = case true
of true: countup[int]
of false: countdown[int]
proc foobar(): auto =
result = case true
of true: countup[int]
of false: countdown[int]