Best way of checking for a templated function instantiation

[Meta via Digitalmars-d-learn]

On Wednesday, 10 August 2016 at 13:37:47 UTC, Meta wrote:
> static assert(__traits(compiles, auto _ = 
> S.init.opBinary!"+"(int.init));

Made a typo, this should be:

static assert(__traits(compiles, { auto _ = 
S.init.opBinary!"+"(int.init); }));