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Problem: - It is useful to have a macro that wraps a potentially-`constexpr`-usable value in `stdx::ct` when possible, to preserve its `constexpr` properties. Solution: - Add `CT_WRAP` that does this. Notes: - See intel/compile-time-init-build#743 for some parts of this in CIB; this part probably belongs in stdx.
Problem: - It's useful to have `map`/`transform` in the preprocessor. Solution: - Add `pp_map.hpp`.
Problem: - We want to not forget to apply `CX_VALUE` to arguments in macros when they are usable at compile time. Solution: - Add `CX_WRAP` which wrap its argument in a `CX_VALUE` when it's possible to do so.
Problem:
- It's easy to call `stdx::ct_format` but forget to preserve the constexpr
nature of the arguments. Especially with literals, e.g.
`stdx::ct_format<"{}">(42)` results in a runtime format argument.
Solution:
- Add `STDX_CT_FORMAT` which automatically wraps the arguments so that their
constexpr nature is preserved where possible. `STDX_CT_FORMAT("{}", 42)` is
now a compile-time formatting operation.
mjcaisse-intel
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Awesome! Looks great. Can't wait to use this!
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Problem:
constexpr-usable value instdx::ctwhen possible, to preserve itsconstexprproperties.Solution:
CT_WRAPthat does this.Notes: