diff options
Diffstat (limited to 'compiler/semmagic.nim')
| -rw-r--r-- | compiler/semmagic.nim | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/semmagic.nim b/compiler/semmagic.nim index 6af752770..71efcadb1 100644 --- a/compiler/semmagic.nim +++ b/compiler/semmagic.nim @@ -215,6 +215,10 @@ proc evalTypeTrait(c: PContext; traitCall: PNode, operand: PType, context: PSym) var arg = operand.skipTypes({tyGenericInst}) assert arg.kind == tyRange result = getTypeDescNode(c, arg.base, operand.owner, traitCall.info) + of "isCyclic": + var operand = operand.skipTypes({tyGenericInst}) + let isCyclic = canFormAcycle(c.graph, operand) + result = newIntNodeT(toInt128(ord(isCyclic)), traitCall, c.idgen, c.graph) else: localError(c.config, traitCall.info, "unknown trait: " & s) result = newNodeI(nkEmpty, traitCall.info) |