Re: Solution to "statement is not reachable" depending on template variables?

[QAston via Digitalmars-d-learn]

On Wednesday, 16 March 2016 at 11:18:36 UTC, Johan Engelen wrote:

Hi all,

I've found discussions, but not an actual "recommended" solution for the problem of "statement is not reachable" warnings in templates with early returns, e.g.:

```
bool nobool(T...)() {
    foreach (i, U; T) {
        static if (is(U == bool)) {
            return false;
        }
    }
    return true;  // emits "Warning: statement is not reachable"
}

[...]

On Wednesday, 16 March 2016 at 11:18:36 UTC, Johan Engelen wrote:
import std.meta;
template isBool(U)() = is(U == bool);
static if (!allSatisfy!(isBool, T)) {
    return true;  // no longer emits a warning
}

Something like this should work.