:relfileprefix: ../../../
[#boost-urls-decode_view-remove_prefix]

= xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/decode_view.adoc[pass:[decode_view]]::remove_prefix


Remove the first characters


== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/decode_view.hpp#L453[boost/url/decode_view.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
void
remove_prefix(xref:boost/urls/decode_view/size_type.adoc[size_type] n);
----

== Description


=== Example
[,cpp]
----
decode_view d( "Program%20Files" );
d.remove_prefix( 8 );
assert( d == "Files" );
----

=== Preconditions
[,cpp]
----
not this->empty()
----

=== Complexity

Linear.