boost::urls::params_encoded_ref::assign :: Boost Libraries Documentation

# boost::urls::params_encoded_ref::assign

Assign params

## Synopsis

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

    template<class FwdIt>
    void
    assign(
        FwdIt first,
        FwdIt last);

## Description

This function replaces the entire contents of the view with the params in the range.

All iterators are invalidated.

| The strings referenced by the inputs must not come from the underlying url, or else the behavior is undefined.

## Mandates

    std::is_convertible< std::iterator_traits< FwdIt >::reference_type, param_pct_view >::value == true

## Complexity

Linear in the size of the range.

## Exception Safety

Strong guarantee. Calls to allocate may throw. Exceptions thrown on invalid input.

## Exceptions

Name | Thrown on
`system_error` | The range contains an invalid percent‐encoding.

## Parameters

Name | Description
--- | ---
first | The first element to assign.
last | One past the last element to assign.

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