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Update P0067 support for Clang #129

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Merged
cdervis merged 1 commit into from
Mar 16, 2026
+5 −16
Merged

Update P0067 support for Clang #129

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21 changes: 5 additions & 16 deletions features_cpp17.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -902,33 +902,22 @@ features:
- desc: "Elementary string conversions (`std::to_chars()` and `std::from_chars()`)"
paper: P0067
lib: true
support:
- GCC 8 (partial)
- GCC 11
- Clang 7 (partial)
- Clang 14 (partial)
- Clang 20 (partial)
- MSVC 14.14 (partial)
- MSVC 14.15 (partial)
- MSVC 14.16 (partial)
- MSVC 14.24
- Xcode 10 (partial)
- Xcode 14.3 (partial)
support: [GCC 8 (partial), GCC 11, Clang 7 (partial), Clang 14 (partial), Clang 20 (partial), MSVC 14.14 (partial), MSVC 14.15 (partial), MSVC 14.16 (partial), MSVC 14.24, Xcode 10 (partial), Xcode 14.3 (partial)]
hints:
- target: GCC 8
msg: "No support for floating-point types, only integer types."
- target: Clang 7
msg: "Adds `std::to_chars()` support for `float` and `double`."
msg: "Adds `std::to_chars()` and `std::from_chars()` support for integer types."
- target: Clang 14
msg: "Adds `std::from_chars()` support for `float` and `double`."
msg: "Adds only `std::to_chars()` support for `float` and `double`."
- target: Clang 20
msg: "Support is complete except for `long double`."
msg: "Adds `std::from_chars()` support for `float` and `double`. Support is complete except for `long double`.\n\nIn total, the current status is:\n\n| Type | `to_chars` | `from_chars` |\n|------------------|------------|--------------|\n| integers | libc++ 7 | libc++ 7 |\n| `float`/`double` | libc++ 14 | libc++ 20 |\n| `long double` | - | - |\n\n---\n\n**Note**: Calling both functions with `long double` falls back to the `double` overload."
- target: MSVC 14.14
msg: "No support for floating-point types, only integer types."
- target: MSVC 14.15
msg: "Adds `std::from_chars()` support for `float` and `double`."
- target: MSVC 14.16
msg: 'Adds shortest round-trip decimal overloads of floating-point `std::to_chars()`, e.g. `"%.8e"` and `"%.16e"`.'
msg: "Adds shortest round-trip decimal overloads of floating-point `std::to_chars()`, e.g. `\"%.8e\"` and `\"%.16e\"`."
- target: Xcode 10
msg: "No support for floating-point types, only integer types."
- target: Xcode 14.3
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