On Wednesday, December 06, 2017 10:43:18 aliak via Digitalmars-d-learn wrote: > On Wednesday, 6 December 2017 at 08:10:26 UTC, Biotronic wrote: > > On Tuesday, 5 December 2017 at 23:01:43 UTC, aliak wrote: > >> immutable lambda(T) = (T n) => n * n; > > > > Generally, you'd want to write > > > > alias lambda = n => n * n; > > > > instead. That said, I don't see any reason why your syntax > > shouldn't work, and would argue it's a bug. Please file it in > > Bugzilla. > > > > -- > > > > Biotronic > > Ok thanks! Done: https://issues.dlang.org/show_bug.cgi?id=18037 > > Btw, in the case of your suggested approach, what if I want to > constrain the parameter type?
If you only want one type, then given n that type; I'm pretty sure that it would be alias lambda = (int n) => n * n; if you wanted an int. But if you want to do anything more complicated with it, it would make more sense to just turn it into a proper function template. - Jonathan M Davis
