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first steps of making 'opt' a first class type for Nim

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This commit is contained in:
Andreas Rumpf 2017-09-25 13:19:36 +02:00
commit f7f3a25be8
20 changed files with 198 additions and 35 deletions
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3
compiler/ccgtrav.nim
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@ -121,7 +121,8 @@ proc genTraverseProc(m: BModule, origTyp: PType; sig: SigHash;
var c: TTraversalClosure
var p = newProc(nil, m)
result = "Marker_" & getTypeName(m, origTyp, sig)
let typ = origTyp.skipTypes(abstractInst)
var typ = origTyp.skipTypes(abstractInst)
if typ.kind == tyOpt: typ = optLowering(typ)
case reason
of tiNew: c.visitorFrmt = "#nimGCvisit((void*)$1, op);$n"