boost::urls::params_ref::append :: Boost Libraries Documentation

# boost::urls::params_ref::append

Append elements

## Synopsis

Declared in `<boost/url/params_ref.hpp>`

    iterator
    append(std::initializer_list<param_view> init);

## Description

This function appends the params in an initializer‐list to the view.

The `end()` iterator is invalidated.

## Example

    url u;

    u.params().append({ { "first", "John" }, { "last", "Doe" } });

## Complexity

Linear in `this‐>url().encoded_query().size()`.

## Exception Safety

Strong guarantee. Calls to allocate may throw.

## Return Value

An iterator to the first new element.

## Parameters

Name | Description
--- | ---
init | The list of params to append.

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