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feat: formatting funcitons marked as constexpr to enable compile-time text formatting

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Mateusz Pusz
2024-06-24 15:15:24 -05:00
parent 19872bd3ae
commit fc76cb28d6
1 changed files with 5 additions and 5 deletions
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10
src/core/include/mp-units/format.h
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@@ -76,7 +76,7 @@ template<typename Char, typename Specs>
} }
template<typename OutputIt, typename Char> template<typename OutputIt, typename Char>
OutputIt format_global_buffer(OutputIt out, const fill_align_width_format_specs<Char>& specs) constexpr OutputIt format_global_buffer(OutputIt out, const fill_align_width_format_specs<Char>& specs)
{ {
MP_UNITS_STD_FMT::format_to(out, "{{:"); MP_UNITS_STD_FMT::format_to(out, "{{:");
if (specs.fill.size() != 1 || specs.fill[0] != ' ') { if (specs.fill.size() != 1 || specs.fill[0] != ' ') {
@@ -148,7 +148,7 @@ public:
} }
template<typename FormatContext> template<typename FormatContext>
auto format(const D& d, FormatContext& ctx) const -> decltype(ctx.out()) constexpr auto format(const D& d, FormatContext& ctx) const -> decltype(ctx.out())
{ {
auto specs = specs_; auto specs = specs_;
mp_units::detail::handle_dynamic_spec<mp_units::detail::width_checker>(specs.width, specs.width_ref, ctx); mp_units::detail::handle_dynamic_spec<mp_units::detail::width_checker>(specs.width, specs.width_ref, ctx);
@@ -237,7 +237,7 @@ public:
} }
template<typename FormatContext> template<typename FormatContext>
auto format(const U& u, FormatContext& ctx) const -> decltype(ctx.out()) constexpr auto format(const U& u, FormatContext& ctx) const -> decltype(ctx.out())
{ {
auto specs = specs_; auto specs = specs_;
mp_units::detail::handle_dynamic_spec<mp_units::detail::width_checker>(specs.width, specs.width_ref, ctx); mp_units::detail::handle_dynamic_spec<mp_units::detail::width_checker>(specs.width, specs.width_ref, ctx);
@@ -436,7 +436,7 @@ class MP_UNITS_STD_FMT::formatter<mp_units::quantity<Reference, Rep>, Char> {
} }
template<typename OutputIt, typename FormatContext> template<typename OutputIt, typename FormatContext>
OutputIt format_quantity(OutputIt out, const quantity_t& q, FormatContext& ctx) const constexpr OutputIt format_quantity(OutputIt out, const quantity_t& q, FormatContext& ctx) const
{ {
const std::locale locale = MP_UNITS_FMT_LOCALE(ctx.locale()); const std::locale locale = MP_UNITS_FMT_LOCALE(ctx.locale());
if (modifiers_format_str_.empty()) { if (modifiers_format_str_.empty()) {
@@ -468,7 +468,7 @@ public:
} }
template<typename OutIt> template<typename OutIt>
OutIt format(const quantity_t& q, MP_UNITS_STD_FMT::basic_format_context<OutIt, Char>& ctx) const constexpr OutIt format(const quantity_t& q, MP_UNITS_STD_FMT::basic_format_context<OutIt, Char>& ctx) const
{ {
auto specs = specs_; auto specs = specs_;
mp_units::detail::handle_dynamic_spec<mp_units::detail::width_checker>(specs.width, specs.width_ref, ctx); mp_units::detail::handle_dynamic_spec<mp_units::detail::width_checker>(specs.width, specs.width_ref, ctx);