boost::urls::params_encoded_base::buffer :: Boost Libraries Documentation

# boost::urls::params_encoded_base::buffer

Return the query corresponding to these params

## Synopsis

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

    pct_string_view
    buffer() const noexcept;

## Description

This function returns the query string referenced by the container. The returned string may contain percent escapes.

## Example

    assert( url_view( "?first=John&last=Doe" ).encoded_params().buffer() == "first=John&last=Doe" );

## Complexity

Constant.

## Exception Safety

Throws nothing.

## BNF

    query-params    = query-param *( "&" query-param )
    query-param     = key [ "=" value ]
    key             = *qpchar
    value           = *( qpchar / "=" )

## Specification

- Query string (Wikipedia)

## Return Value

The query string.

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