applay for template function with sumtypes result?

[Steven Schveighoffer]

On 7/4/23 10:19 AM, kiriakov wrote:
> On Tuesday, 4 July 2023 at 12:43:19 UTC, Steven Schveighoffer wrote:
>> On 7/4/23 12:58 AM, kiriakov wrote:
> 
>> It looks like a type mismatch. The function accepted should return 
>> `Result` but it's returning `ParsResult`.
>>
> That's the problem
> 
> Result(T) = SumType!(ParsResult!T, Err!T)
> 

No, `Result(T)` is its own struct in your example.
And also, `SumType!(ParsResult!T, Err!T)` is not the same as 
`ParsResult!T`. function pointers must match the return type.

-Steve