Named parameters in function call

[Cecil Ward]

On Wednesday, 9 September 2020 at 11:48:28 UTC, Paul Backus wrote:
> On Tuesday, 8 September 2020 at 13:28:22 UTC, Cecil Ward wrote:
>>
>> I wonder if there is any way in which we could combine this 
>> with strong typing of some sort (how?) to detect errors such as
>>     int xcoord;
>>     int ycoord;
>>
>>     myfunc( x : ycoord, y : xcoord, color : blue )        [3]
>>
>> where the arguments are the wrong way around. Would have to 
>> change the types of the xcoord and ycoord variables somehow, 
>> something I have asked about earlier.
>
> import std.typecons: Typedef;
>
> alias XCoord = Typedef!(int, int.init, "XCoord");
> alias YCoord = Typedef!(int, int.init, "YCoord");
>
> auto myfunc(XCoord x, YCoord y) { ... }

Brilliant. Thank you Paul.