! @brief return whether value is a string This function returns true if and only if the JSON value is a string. @return `true` if type i

! @brief exchanges the values Exchanges the contents of the JSON value with those of @a other. Does not invoke any move, copy, or swap op

return whether the iterator can be dereferenced

! @brief add an object to an array Appends the given element @a val to the end of the JSON value. If the function is called on a JSON nul

! @brief returns a const iterator to one past the last element Returns a const iterator to one past the last element. @image html range-

escape "~" to "~0" and "/" to "~1"