BT::Grammar::Real Struct Reference

#include <any_types.hpp>

Inheritance diagram for BT::Grammar::Real:

Classes
struct	invalid_suffix

Static Public Attributes
static constexpr auto	rule
static constexpr auto	value

Detailed Description

Definition at line 95 of file any_types.hpp.

Member Data Documentation

rule

constexpr auto BT::Grammar::Real::rule

staticconstexpr

Initial value:

= [] {
    auto integer_part = dsl::sign + dsl::digits<>;
    auto fraction = dsl::period >> dsl::digits<>;
    auto exponent = (dsl::lit_c<'e'> / dsl::lit_c<'E'>) >> (dsl::sign + dsl::digits<>);
 
    auto suffix_error =
        dsl::peek_not(dsl::period / dsl::ascii::alpha / dsl::ascii::alpha_underscore)
            .error<invalid_suffix>;
 
    auto real_part = (fraction >> dsl::if_(exponent) | exponent) >> suffix_error;
    auto real_number = dsl::token(integer_part + real_part);
    return dsl::capture(real_number);
  }()

Definition at line 102 of file any_types.hpp.

value

constexpr auto BT::Grammar::Real::value

staticconstexpr

Initial value:

=
      lexy::as_string<std::string> |
      lexy::callback<BT::Any>([](std::string&& str) { return BT::Any(std::stod(str)); })

Definition at line 116 of file any_types.hpp.

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

• any_types.hpp