Propagating Errors

[FeepingCreature]

On Friday, 8 March 2019 at 06:45:24 UTC, Nicholas Wilson wrote:
> But it also returns false if the expression is false
>
> `is(T==int)` could return false because T is an error AST node, 
> because T is undefined in the context or because T is not 
> `int`. I'm missing how you would handle the latter case.

Ah.

I guess in that case, since this is a compiletime expression and 
can change its type at will, you could simply just return `false`.