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| author | Andreas Rumpf <rumpf_a@web.de> | 2019-03-14 07:24:07 +0100 |
|---|---|---|
| committer | Andreas Rumpf <rumpf_a@web.de> | 2019-03-14 07:59:44 +0100 |
| commit | 1f614982389da147876722bf66c238c82b55d1c2 (patch) | |
| tree | 22a5135ba51519fad280c8cd7d7316b6cb8becda /compiler | |
| parent | ee7a9a272dcbcf35c5c844101bb090e031029765 (diff) | |
| download | Nim-1f614982389da147876722bf66c238c82b55d1c2.tar.gz | |
added types.isFinal helper proc
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/types.nim | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/types.nim b/compiler/types.nim index b71888906..ddd299a86 100644 --- a/compiler/types.nim +++ b/compiler/types.nim @@ -339,6 +339,10 @@ proc canFormAcycleAux(marker: var IntSet, typ: PType, startId: int): bool = of tyProc: result = typ.callConv == ccClosure else: discard +proc isFinal*(t: PType): bool = + var t = t.skipTypes(abstractInst) + result = t.kind != tyObject or tfFinal in t.flags + proc canFormAcycle*(typ: PType): bool = var marker = initIntSet() result = canFormAcycleAux(marker, typ, typ.id) |