[#boost-urls-segments_ref-assign-08e6]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/segments_ref.adoc[segments_ref]::assign
:relfileprefix: ../../../
:mrdocs:

Assign segments

== Synopsis

Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/segments_ref.hpp#L313[boost/url/segments_ref.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
assign(std::initializer_list<core::string_view> init);
----

== Description

The existing contents are replaced by a copy of the contents of the initializer list. Reserved characters in the list are automatically escaped.

All iterators are invalidated.

[NOTE]
None of the character buffers referenced by `init` may overlap the character buffer of the underlying url, or else the behavior is undefined.

== Example
[,cpp]
----
url u;

u.segments().assign( { "path", "to", "file.txt" } );
----
== Complexity
Linear in `init.size() + this‐>url().encoded_query().size() + this‐>url().encoded_fragment().size()`.

== Exception Safety
Strong guarantee. Calls to allocate may throw.

== Parameters

[cols=2]
|===
| Name
| Description
| *init*
| The list of segments to assign.
|===


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