[#boost-urls-params_encoded_ref-erase-0b]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/params_encoded_ref.adoc[params&lowbar;encoded&lowbar;ref]::erase
:relfileprefix: ../../../
:mrdocs:


Erase params

== Synopsis


Declared in `&lt;https://www.github.com/boostorg/url/blob/develop/include/boost/url/params_encoded_ref.hpp#L621[boost&sol;url&sol;params&lowbar;encoded&lowbar;ref&period;hpp]&gt;`

[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&period;

All iterators that are equal to        `first` or come after are invalidated&period;


=== Complexity

Linear in `this&hyphen;&gt;url()&period;encoded&lowbar;query()&period;size()`&period;


=== Exception Safety

Throws nothing&period;



== Return Value


An iterator to one past        the removed range&period;



== Parameters


|===
| Name | Description

| *first,*
| last The range of        params to erase&period;


|===



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