:relfileprefix: ../../../../
[#boost-urls-grammar-recycled_ptr-2constructor-056]

== xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/grammar.adoc[pass:[grammar]]::xref:boost/urls/grammar/recycled_ptr.adoc[pass:[recycled_ptr]]::recycled_ptr


Constructor


=== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/grammar/recycled.hpp#L287[boost/url/grammar/recycled.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
recycled_ptr();
----

=== Description


Upon construction, this acquires
exclusive access to an object of type
`T` which is either recycled from a
global recycle bin, or newly allocated.
The object is in an unknown but
valid state.
[,cpp]
----
recycled_ptr< std::string > ps;

// Put the string into a known state
ps->clear();
----
[,cpp]
----
&this->bin() != nullptr && ! this->empty()
----








=== See Also


xref:boost/urls/grammar/recycled.adoc[recycled]
.