[#boost-urls-params_encoded_ref-erase-0b]
= xref:boost/urls/params_encoded_ref/erase-0b.adoc[boost::urls::params_encoded_ref::erase]
:relfileprefix: ../../../
:mrdocs:

Erase params

== Synopsis

Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/params_encoded_ref.hpp#L630[boost/url/params_encoded_ref.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:boost/urls/params_encoded_base/iterator.adoc[iterator]
erase(
    xref:boost/urls/params_encoded_base/iterator.adoc[iterator] first,
    xref:boost/urls/params_encoded_base/iterator.adoc[iterator] last) noexcept;
----

== Description

This function removes a range of params from the container.

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

== Complexity
Linear in `this‐>url().encoded_query().size()`.

== Exception Safety
Throws nothing.

== Return Value

* An iterator to one past the removed range.
* An iterator to one past the removed range.

== Parameters

[cols=2]
|===
| Name
| Description
| *first*
| The first element to remove.
| *last*
| One past the last element to remove.
|===


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