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next steps for first class iterators

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This commit is contained in:
Araq 2012-11-26 02:43:32 +01:00
commit dd9ad9e497
7 changed files with 16 additions and 7 deletions
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8
compiler/evals.nim
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@ -888,7 +888,13 @@ proc evalIsOp*(n: PNode): PNode =
of "closure":
let t = skipTypes(t1, abstractRange)
result = newIntNode(nkIntLit, ord(t.kind == tyProc and
t.callConv == ccClosure))
t.callConv == ccClosure and
tfIterator notin t.flags))
of "iterator":
let t = skipTypes(t1, abstractRange)
result = newIntNode(nkIntLit, ord(t.kind == tyProc and
t.callConv == ccClosure and
tfIterator in t.flags))
else:
let t2 = n[2].typ
var match = if t2.kind == tyTypeClass: matchTypeClass(t2, t1)