On Saturday, 23 January 2021 at 19:19:29 UTC, Paul Backus wrote: > On Saturday, 23 January 2021 at 07:17:38 UTC, Виталий Фадеев > wrote: >> Where source ? >> Where deduction implementation ? > > Here: > > https://github.com/dlang/dmd/blob/v2.095.0/src/dmd/dtemplate.d#L1308 Thank!