diff options
Diffstat (limited to 'compiler/semstmts.nim')
| -rw-r--r-- | compiler/semstmts.nim | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/compiler/semstmts.nim b/compiler/semstmts.nim index 3b0332939..1396ef374 100644 --- a/compiler/semstmts.nim +++ b/compiler/semstmts.nim @@ -1262,10 +1262,14 @@ proc semStmtList(c: PContext, n: PNode, flags: TExprFlags): PNode = return else: n.sons[i] = semExpr(c, n.sons[i]) - if c.inTypeClass > 0 and n[i].typ != nil and n[i].typ.kind == tyBool: - let verdict = semConstExpr(c, n[i]) - if verdict.intVal == 0: - localError(result.info, "type class predicate failed") + if c.inTypeClass > 0 and n[i].typ != nil: + case n[i].typ.kind + of tyBool: + let verdict = semConstExpr(c, n[i]) + if verdict.intVal == 0: + localError(result.info, "type class predicate failed") + of tyUnknown: continue + else: discard if n.sons[i].typ == enforceVoidContext or usesResult(n.sons[i]): voidContext = true n.typ = enforceVoidContext |