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string to string conversion keeps the dest type (#9323)

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Fixes #9322
This commit is contained in:
LemonBoy 2018-10-12 08:50:28 +02:00 • committed by Andreas Rumpf
commit fab4d38411
2 changed files with 13 additions and 1 deletions
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2
compiler/semfold.nim
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@ -379,7 +379,7 @@ proc evalOp(m: TMagic, n, a, b, c: PNode; g: ModuleGraph): PNode =
result = newStrNodeT(s, n, g) result = newStrNodeT(s, n, g)
else: else:
result = newStrNodeT(getStrOrChar(a), n, g) result = newStrNodeT(getStrOrChar(a), n, g)
of mStrToStr: result = a of mStrToStr: result = newStrNodeT(getStrOrChar(a), n, g)
of mEnumToStr: result = newStrNodeT(ordinalValToString(a, g), n, g) of mEnumToStr: result = newStrNodeT(ordinalValToString(a, g), n, g)
of mArrToSeq: of mArrToSeq:
result = copyTree(a) result = copyTree(a)

12
tests/distinct/t9322.nim Normal file
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@ -0,0 +1,12 @@
discard """
output: apr
"""
type Fix = distinct string
proc `$`(f: Fix): string {.borrow.}
proc mystr(s: string) =
echo s
mystr($Fix("apr"))