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implemented 'let' statement

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This commit is contained in:
Araq 2011-11-29 17:27:48 +01:00
commit 7fcbdc6d42
33 changed files with 169 additions and 103 deletions
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compiler/types.nim
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@ -816,7 +816,7 @@ proc matchType*(a: PType, pattern: openArray[tuple[k:TTypeKind, i:int]],
result = a.kind == last
proc typeAllowedAux(marker: var TIntSet, typ: PType, kind: TSymKind): bool =
assert(kind in {skVar, skConst, skParam, skResult})
assert(kind in {skVar, skLet, skConst, skParam, skResult})
# if we have already checked the type, return true, because we stop the
# evaluation if something is wrong:
result = true