Let inline tryParse<'a when 'a: (static member TryParse: string *

Question

Let inline tryParse<'a when 'a: (static member TryParse: string *

byref<'a> -> bool)> x =
let mutable res = Unchecked.defaultof<'a>
if (^a: (static member TryParse: string * byref<'a> -> bool) (x, &res))
then Some res
else None

tryParse<int>("19")
tryParse<Guid>("4A9FA193-26D6-4D21-8610-02B060D43744")
tryParse<DateTime>("ddd")

а так?

#fsharp #programming #russian

0

02.10.2019