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7ada125299
Specifically, this adds custom formatters using `path::operator string()` and `error_code::message()` and dereferences a (non-empty) optional. `fmtlib` provides formatters for these standard library types in `fmt/std.h`, but that file also requires RTTI (which we disable) for `std::exception` so we can't use it without either patching `fmtlib` (which they're open to: https://github.com/fmtlib/fmt/issues/3170) or enabling RTTI (which will require some consideration).
21 lines
572 B
C++
21 lines
572 B
C++
#pragma once
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// Provides formatters for standard library types to be used with fmtlib.
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// TODO: Patch fmtlib to support using `fmt/std.h` without RTTI
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// (https://github.com/fmtlib/fmt/issues/3170).
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#include <filesystem>
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#include <fmt/format.h>
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#include <string_view>
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namespace fmt {
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FMT_FORMAT_AS(std::filesystem::path, std::string);
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}
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template <>
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struct fmt::formatter<std::error_code> : fmt::formatter<std::string> {
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auto format(const std::error_code& e, format_context& ctx) const {
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return fmt::formatter<std::string>::format(e.message(), ctx);
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}
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};
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