diff options
Diffstat (limited to 'tests/overload/tor_isnt_better.nim')
-rw-r--r-- | tests/overload/tor_isnt_better.nim | 47 |
1 files changed, 35 insertions, 12 deletions
diff --git a/tests/overload/tor_isnt_better.nim b/tests/overload/tor_isnt_better.nim index 5ef8bc7c4..bee125386 100644 --- a/tests/overload/tor_isnt_better.nim +++ b/tests/overload/tor_isnt_better.nim @@ -1,18 +1,41 @@ -discard """ - errormsg: "ambiguous call;" - line: 16 -""" - -# bug #8568 - type D[T] = object E[T] = object -proc g(a: D|E): string = "foo D|E" -proc g(a: D): string = "foo D" +block: # PR #22261 + proc d(x: D):bool= false + proc d(x: int | D[SomeInteger]):bool= true + doAssert d(D[5]()) == false -proc test() = - let x = g D[int]() +block: # bug #8568 +#[ + Since PR #22261 and amendment has been made. Since D is a subset of D | E but + not the other way around `checkGeneric` should favor proc g(a: D) instead + of asserting ambiguity +]# + proc g(a: D|E): string = "foo D|E" + proc g(a: D): string = "foo D" + doAssert g(D[int]()) == "foo D" -test() +type Obj1[T] = object + v: T +converter toObj1[T](t: T): Obj1[T] = return Obj1[T](v: t) +block: # issue #10019 + proc fun1[T](elements: seq[T]): string = "fun1 seq" + proc fun1(o: object|tuple): string = "fun1 object|tuple" + proc fun2[T](elements: openArray[T]): string = "fun2 openarray" + proc fun2(o: object): string = "fun2 object" + proc fun_bug[T](elements: openArray[T]): string = "fun_bug openarray" + proc fun_bug(o: object|tuple):string = "fun_bug object|tuple" + proc main() = + var x = @["hello", "world"] + block: + # no ambiguity error shown here even though this would compile if we remove either 1st or 2nd overload of fun1 + doAssert fun1(x) == "fun1 seq" + block: + # ditto + doAssert fun2(x) == "fun2 openarray" + block: + # Error: ambiguous call; both t0065.fun_bug(elements: openarray[T])[declared in t0065.nim(17, 5)] and t0065.fun_bug(o: object or tuple)[declared in t0065.nim(20, 5)] match for: (array[0..1, string]) + doAssert fun_bug(x) == "fun_bug openarray" + main() |