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some work to make 'opt' a first class type

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This commit is contained in:
Andreas Rumpf 2017-09-24 11:21:52 +02:00
commit e879da5791
13 changed files with 52 additions and 71 deletions
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4
compiler/ccgutils.nim
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@ -100,7 +100,7 @@ proc getUniqueType*(key: PType): PType =
if result == nil:
gCanonicalTypes[k] = key
result = key
of tyTypeDesc, tyTypeClasses, tyGenericParam, tyFromExpr, tyFieldAccessor:
of tyTypeDesc, tyTypeClasses, tyGenericParam, tyFromExpr:
if key.isResolvedUserTypeClass:
return getUniqueType(lastSon(key))
if key.sym != nil:
@ -126,7 +126,7 @@ proc getUniqueType*(key: PType): PType =
result = slowSearch(key, k)
of tyGenericInvocation, tyGenericBody,
tyOpenArray, tyArray, tySet, tyRange, tyTuple,
tySequence, tyForward, tyVarargs, tyProxy:
tySequence, tyForward, tyVarargs, tyProxy, tyOpt:
# we have to do a slow linear search because types may need
# to be compared by their structure:
result = slowSearch(key, k)