DIP 1027---String Interpolation---Format Assessment

Adam D. Ruppe destructionator at gmail.com
Thu Feb 27 00:46:04 UTC 2020

On Thursday, 27 February 2020 at 00:21:36 UTC, Walter Bright 
> So would DIP1027.

We know. It is *almost* there, the format string idea is a good 
one. But DIP1027 had a fatal flaw: it made type safety impossible.

One small change - wrapping the format string in a new type while 
keeping the rest of the tuple exactly the same - fixes that fatal 
flaw. And as a cool bonus, the simple fact that there's a type 
around it - with no special rules; it is just a struct to 
identify that it is a format string - unlocks more potential with 
it too.

I tried to put it as a dip back on Feb 4 (and it is now on 
github: https://github.com/dlang/DIPs/pull/186 ) but I don't know 
how to word this in spec language. I'm a D programmer, not a spec 
author :(

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