diff options
Diffstat (limited to 'compiler/sem.nim')
| -rw-r--r-- | compiler/sem.nim | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/sem.nim b/compiler/sem.nim index 88249fedb..0e4b65d9f 100644 --- a/compiler/sem.nim +++ b/compiler/sem.nim @@ -58,10 +58,13 @@ proc fitNode(c: PContext, formal: PType, arg: PNode): PNode = result = copyNode(arg) result.typ = formal +var CommonTypeBegin = PType(kind: tyExpr) + proc commonType*(x, y: PType): PType = # new type relation that is used for array constructors, # if expressions, etc.: - if x == nil: return y + if x == nil: return x + if y == nil: return y var a = skipTypes(x, {tyGenericInst}) var b = skipTypes(y, {tyGenericInst}) result = x |