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Fix #5127

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Zahary Karadjov 2017-06-19 20:44:28 +03:00 • committed by Andreas Rumpf
commit 16eb4b1fee
5 changed files with 60 additions and 32 deletions
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11
compiler/sigmatch.nim
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@ -1040,11 +1040,12 @@ proc typeRelImpl(c: var TCandidate, f, aOrig: PType,
else: isNone
of tyUserTypeClass, tyUserTypeClassInst:
# consider this: 'var g: Node' *within* a concept where 'Node'
# is a concept too (tgraph)
let x = typeRel(c, a, f, flags + {trDontBind})
if x >= isGeneric:
return isGeneric
if c.c.matchedConcept != nil:
# consider this: 'var g: Node' *within* a concept where 'Node'
# is a concept too (tgraph)
let x = typeRel(c, a, f, flags + {trDontBind})
if x >= isGeneric:
return isGeneric
else: discard
case f.kind