Support character range formatting #3863
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vitaut
requested changes
Feb 24, 2024
include/fmt/ranges.h
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| template <typename R, typename FormatContext> | ||
| template <typename R, typename FormatContext, typename U = T, | ||
| enable_if_t<std::is_same<U, Char>::value, bool> = true> | ||
| auto format(R&& range, FormatContext& ctx) const -> decltype(ctx.out()) { |
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To avoid duplication let's merge the two format overloads and either use if constexpr or move only the string-specific logic into a separate function.
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I tried if constexpr but its introduced in C++17, so tests would break. I pushed the changes to make the string logic a separate function, though I'm unsure if there's a way to cleanly handle the non-Char case, so any advice here would be appreciated.
vitaut
requested changes
Mar 3, 2024
|
@vitaut Thanks for the comments, pushed the latest changes |
vitaut
reviewed
Mar 6, 2024
vitaut
approved these changes
Mar 6, 2024
|
Merged, thank you! |
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My attempt to fix #3857. Implemented the
:sand:?sspecifier for ranges of characters. Specifically for the debug case (:?s), the underlying writer for escaped chars included single quotes in the output, so I converted the range into a string first. Added tests as well.