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069c6f4447e8db94b4b0d45625c5c8115a47afa4
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Author SHA1 Message Date
Nicholas Bishop 069c6f4447 Refactor TryEvaluateMacroToConstant to simplify and dedup code (#6820) 
For integral and float types, `TryEvaluateMacroToConstant` now calls
`MapAPValueToConstant` to directly convert from an APValue, rather than
converting the `APValue` to an expression and importing it with
`MapConstant`.

`MapConstant` is still used, but only for string literals and nullptrs.
Since it's only used by `TryEvaluateMacroToConstant`, moved it to
`macros.cpp` and removed the code for other types of expressions.
 2026-03-02 21:00:07 +00:00
Nicholas Bishop 96f163f114 Support floats in MapAPValueToConstant (#6800) 
This allows `constexpr float` to be properly imported as a constant.
 2026-02-26 19:48:19 +00:00
Nicholas Bishop f210f4ab04 Add initial support for importing C++ constexprs as Carbon constants (#6770) 
This allows a C++ constexpr to be used as an argument to a non-type
template parameter.

https://github.com/carbon-language/carbon-lang/issues/6717
 2026-02-24 20:59:24 +00:00