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fixes bug reported in PR #5637

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This commit is contained in:
Andreas Rumpf 2017-10-30 09:18:47 +01:00
commit 6cb8bf8045
3 changed files with 20 additions and 1 deletions
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8
compiler/ast.nim
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@ -1387,6 +1387,14 @@ proc skipTypes*(t: PType, kinds: TTypeKinds): PType =
result = t
while result.kind in kinds: result = lastSon(result)
proc skipTypes*(t: PType, kinds: TTypeKinds; maxIters: int): PType =
result = t
var i = maxIters
while result.kind in kinds:
result = lastSon(result)
dec i
if i == 0: return nil
proc skipTypesOrNil*(t: PType, kinds: TTypeKinds): PType =
## same as skipTypes but handles 'nil'
result = t