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implemented and documented the new typedesc binding rules

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This commit is contained in:
Zahary Karadjov 2013-08-23 15:43:27 +03:00
commit 56d75bd23b
5 changed files with 143 additions and 18 deletions
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6
compiler/sigmatch.nim
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@ -655,7 +655,7 @@ proc typeRel(c: var TCandidate, f, a: PType): TTypeRelation =
result = typeRel(c, x, a) # check if it fits
of tyTypeDesc:
var prev = PType(idTableGet(c.bindings, f))
if prev == nil or true:
if prev == nil:
if a.kind == tyTypeDesc:
if f.sonsLen == 0:
result = isGeneric
@ -667,7 +667,9 @@ proc typeRel(c: var TCandidate, f, a: PType): TTypeRelation =
result = isNone
else:
InternalAssert prev.sonsLen == 1
result = typeRel(c, prev.sons[0], a)
let toMatch = if tfUnresolved in f.flags: a
else: a.sons[0]
result = typeRel(c, prev.sons[0], toMatch)
of tyExpr, tyStmt:
result = isGeneric
of tyProxy: