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'is' operator for generic code

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This commit is contained in:
Araq 2011-07-31 00:55:30 +02:00
commit 05cffb9370
4 changed files with 25 additions and 22 deletions
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10
compiler/semfold.nim
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@ -348,14 +348,14 @@ proc getConstExpr(m: PSym, n: PNode): PNode =
of nkIfExpr:
result = getConstIfExpr(m, n)
of nkCall, nkCommand, nkCallStrLit:
if (n.sons[0].kind != nkSym): return
if n.sons[0].kind != nkSym: return
var s = n.sons[0].sym
if (s.kind != skProc): return
try:
if s.kind != skProc: return
try:
case s.magic
of mNone:
of mNone:
return # XXX: if it has no sideEffect, it should be evaluated
of mSizeOf:
of mSizeOf:
var a = n.sons[1]
if computeSize(a.typ) < 0:
LocalError(a.info, errCannotEvalXBecauseIncompletelyDefined,