JSON for Modern C++  3.5.0

◆ rbegin() [1/2]

template<template< typename U, typename V, typename... Args > class ObjectType = std::map, template< typename U, typename... Args > class ArrayType = std::vector, class StringType = std::string, class BooleanType = bool, class NumberIntegerType = std::int64_t, class NumberUnsignedType = std::uint64_t, class NumberFloatType = double, template< typename U > class AllocatorType = std::allocator, template< typename T, typename SFINAE=void > class JSONSerializer = adl_serializer>
reverse_iterator nlohmann::basic_json::rbegin ( )
inlinenoexcept

Returns an iterator to the reverse-beginning; that is, the last element.

range-rbegin-rend.svg
Illustration from cppreference.com
Complexity^^ Constant.
Requirements^^ This function helps basic_json satisfying the
ReversibleContainer requirements:
  • The complexity is constant.
  • Has the semantics of reverse_iterator(end()).
Example^^ The following code shows an example for rbegin(). ^^ rbegin.cpp
Output (play with this example online):^^
5
^^ The example code above can be translated with
g++ -std=c++11 -Isingle_include doc/examples/rbegin.cpp -o rbegin 
See also
crbegin() – returns a const reverse iterator to the beginning
rend() – returns a reverse iterator to the end
crend() – returns a const reverse iterator to the end
Since
version 1.0.0

Definition at line 16527 of file json.hpp.