:relfileprefix: ../../../
[#D663BCBD1314F22B2AED50FEA17EC614D4D248AB]

= Function segments_ref::assign

pass:v,q[Assign segments]


== Synopsis

Declared in header `</boost/url/segments_ref.hpp#L344[boost/url/segments_ref.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
template<class FwdIt>
void
assign(
    FwdIt first,
    FwdIt last);
----

== Description

pass:v,q[The existing contents are replaced] pass:v,q[by a copy of the contents of the range.]
pass:v,q[Reserved characters in the range are]
pass:v,q[automatically escaped.]
pass:v,q[All iterators are invalidated.]
[NOTE]
pass:v,q[None of the character buffers referenced]
pass:v,q[by the range may overlap the character]
pass:v,q[buffer of the underlying url, or else]
pass:v,q[the behavior is undefined.]

=== Mandates
[,cpp]
----
std::is_convertible< std::iterator_traits< FwdIt >::reference_type, core::string_view >::value == true
----

=== Complexity
pass:v,q[Linear in `std::distance( first, last ) + this->url().encoded_query().size() + this->url().encoded_fragment().size()`.]

=== Exception Safety
pass:v,q[Strong guarantee.]
pass:v,q[Calls to allocate may throw.]



== Return Value

* `void` 


== Parameters

|===
| Name | Type 

| *first*
| `FwdIt`

| *last*
| `FwdIt`

|===