Function call operators

Synopses

Declared in <bslfmt_formatterspecificationnumericvalue.h>

Throw an exception of type format_error. This indicates visitation of a bsl::format argument of boolean type, usually resulting from a user error such as calling bsl::format("{:{}}", value, b) where b is bool.

void
operator()(bool) const;

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Throw an exception of type format_error. This indicates visitation of an argument with no value, which would indicate a logic error. Note that this would only be called when extracting a value from a basic_format_arg that holds no value, which would normally indicate an incorrect argument type.

void
operator()(std::monostate) const;

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Update the FormatterSpecificationNumericValue referenced by this visitor by setting its category attribute to e_VALUE and its value to the specified value.

template<class t_TYPE>
void
operator()(t_TYPE value) const
requires bsl::is_integral<t_TYPE>::value;

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Throw an exception of type format_error. This indicates visitation of a bsl::format argument of non‐integral type, usually resulting from a user error such as calling bsl::format("{:{}}", value, f) where f has a floating point type.

template<class t_TYPE>
void
operator()(t_TYPE value) const
requires !bsl::is_integral<t_TYPE>::value;

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