seqan3::detail::is_char_type< char_v > Struct Template Reference

Parse condition that checks if a given value is equal to char_v. More...

#include <seqan3/utility/char_operations/predicate_detail.hpp>

Inheritance diagram for seqan3::detail::is_char_type< char_v >:

Public Types
using	base_t = char_predicate_base< is_char_type< char_v > >
	The base type.
Public Types inherited from seqan3::detail::char_predicate_base< is_char_type< char_v > >
using	data_t = constexpr_pseudo_bitset< 257 >
	Type of the data field; as soon as std::bitset is fully constexpr, use that instead!

Static Public Attributes
static constexpr data_t	data
	The look-up table that is used to evaluate the input.
static const std::string	msg
	The message representing this condition.

Additional Inherited Members
Public Member Functions inherited from char_predicate
bool	operator() (char_type c)
	predicate function to test if c satisfies the given condition.
static constexpr auto	msg
	Defines the condition msg. The type is deduced from the constant expression in the definition of the variable.
Public Member Functions inherited from seqan3::detail::char_predicate_base< is_char_type< char_v > >
constexpr auto	operator|| (rhs_t const &) const
	Combines the result of two seqan3::detail::char_predicate via logical disjunction.
constexpr auto	operator! () const
	Return a new condition with all bits flipped.
constexpr bool	operator() (value_t const val) const noexcept
	Invokes the condition on val.
constexpr bool	operator() (value_t const val) const noexcept
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
std::string	message () const
	Returns the message representing this condition as std::string.
Related Symbols inherited from char_predicate
template<char op, typename condition_head_t , typename... condition_ts>
const std::string	condition_message_v
	Defines a compound std::string consisting of all given conditions separated by the operator-name op.

Detailed Description

template<int char_v>
struct seqan3::detail::is_char_type< char_v >

Parse condition that checks if a given value is equal to char_v.

Template Parameters

char_v

non-type template parameter with the value that should be checked against.

Member Data Documentation

data

template<int char_v>

constexpr data_t seqan3::detail::is_char_type< char_v >::data

staticconstexpr

Initial value:

= []() constexpr
    {
        data_t ret{};
 
        if (char_v == EOF)
            ret[256] = true;
        else
            ret[static_cast<uint8_t>(char_v)] = true;
 
        return ret;
    }()

The look-up table that is used to evaluate the input.

msg

template<int char_v>

const std::string seqan3::detail::is_char_type< char_v >::msg

inlinestatic

Initial value:

=
        std::string{"is_char<'"} + ((char_v == EOF) ? std::string{"EOF"} : std::string{char_v}) + std::string{"'>"}

The message representing this condition.

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The documentation for this struct was generated from the following file:

• predicate_detail.hpp