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restinio::easy_parser::impl::transformer_invoker< Result_Type > Struct Template Reference

A helper template for calling transformation function. More...

#include <easy_parser.hpp>

Static Public Member Functions

template<typename Transformer, typename Input_Type>
static Result_Type invoke (source_t &, Transformer &transformer, expected_t< Input_Type, parse_error_t > &&input)

Detailed Description

template<typename Result_Type>
struct restinio::easy_parser::impl::transformer_invoker< Result_Type >

A helper template for calling transformation function.

The transformer_invoker class is intended to wrap a call to Transformer::transform method. That method can return a value of type T or a value of type expected_t<T, error_reason_t>.

In the case of return value of type T the returned value of T should be used directly.

In the case of return value of type expected_t<T, error_reason_t> the return value should be checked for the presence of an error. In the case of an error expected_t<T, error_reason_t> should be converted into expected_t<T, parser_error_t>.

Since
v.0.6.11

Definition at line 1048 of file easy_parser.hpp.

Member Function Documentation

◆ invoke()

template<typename Result_Type>
template<typename Transformer, typename Input_Type>
Result_Type restinio::easy_parser::impl::transformer_invoker< Result_Type >::invoke ( source_t & ,
Transformer & transformer,
expected_t< Input_Type, parse_error_t > && input )
inlinestaticnodiscard

Definition at line 1053 of file easy_parser.hpp.


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