Re: Detect if variable defined

[arturg via Digitalmars-d-learn]

On Friday, 29 September 2017 at 18:03:52 UTC, Joseph wrote:

static if ()
{
 enum x;
}

static if (isDefined!x)
{
}

What's the correct way to check if a variable has been defined? (note x may or may not be defined above. I need to know if it is)

import std.traits;
static if(hasMember!(T, "x"))
{
}

or if at module level

static if(__traits(hasMember, mixin(__MODULE__), "x"))
{
}