boost::urls::segments_ref::replace :: Boost Libraries Documentation

# boost::urls::segments_ref::replace

Replace segments

## Synopsis

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

    iterator
    replace(
        iterator from,
        iterator to,
        std::initializer_list<core::string_view> init);

## Description

This function replaces a range of segments with a list of segments in an initializer list. Reserved characters in the list are automatically escaped.

All iterators that are equal to `from` or come after are invalidated.

## Preconditions

None of the character buffers referenced by the list may overlap the character buffer of the underlying url, or else the behavior is undefined.

## Complexity

Linear in `init.size() + this‐>url().encoded_resouce().size()`.

## Exception Safety

Strong guarantee. Calls to allocate may throw.

## Return Value

An iterator to the first segment inserted, or one past `to` if `init.size() == 0`.

## Parameters

Name | Description
--- | ---
from | The beginning of the range of segments to replace.
to | The end of the range of segments to replace.
init | The list of segments to assign.

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