Re: How to check that import module will succeed?

[Anonymouse via Digitalmars-d-learn]

On Friday, 26 July 2019 at 06:24:18 UTC, evilrat wrote:
On Friday, 26 July 2019 at 03:42:58 UTC, Andrey Zherikov wrote:
    bool isModuleAvailable(alias modName)() {
        mixin("import " ~ modName ~ ";");
        static if (__traits(compiles, mixin(modName).stringof))
            return true;
        else
            return false;
    }
    // use like this
    static if (__traits(compiles, isModuleAvailable!"mymod" ))
        import mymod;

I forgot the exact details but I ran into troubles with this 
where __traits(compiles, moduleName) would evaluate to false even 
if the module was available, if there were top-level errors in it.

I use __traits(compiles, __traits(identifier, moduleName)) now 
instead and it seems to work.