On Wednesday, 24 February 2021 at 03:57:37 UTC, Adam D. Ruppe
wrote:
On Wednesday, 24 February 2021 at 03:52:57 UTC, Kyle Ingraham
wrote:
The part that got my attention was `bool isBGR`. I was under
the impression that compile-time or template parameters were
only for types.
No, you can pass almost anything to them.
https://dlang.org/spec/template.html#template_value_parameter
Much appreciated. This is exactly what I wanted to take a look at.
and other surrounding sections
Why would one write a function this way?
To specialize on information known at compile time. It will
also call functions as-needed to get that value all at compile
time.
That brings it all together. Types aren't the only thing one
would want to use to specialize. Thank you for the explanation.
I'm making my way in from interpreted languages so templates are
a still unfamiliar way to solve problems.