[#bsl-owner_less-0f]
= xref:bsl.adoc[bsl]::xref:bsl/owner_less-0c.adoc[owner_less]<xref:bsl/weak_ptr-0d.adoc[weak_ptr<ELEMENT_TYPE>]>
:relfileprefix: ../
:mrdocs:

Specialization of `owner_less` that orders `weak_ptr` objects by ownership.

== Synopsis

Declared in `<bslstl_ownerless.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class ELEMENT_TYPE>
struct xref:bsl/owner_less-0c.adoc[owner_less]<xref:bsl/weak_ptr-0d.adoc[weak_ptr<ELEMENT_TYPE>]>;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:bsl/owner_less-0f/first_argument_type.adoc[`first_argument_type`] 
| This `typedef` is an alias to the first argument type of `operator()`.
| xref:bsl/owner_less-0f/result_type.adoc[`result_type`] 
| This `typedef` is an alias to the result type of `operator()`.
| xref:bsl/owner_less-0f/second_argument_type.adoc[`second_argument_type`] 
| This `typedef` is an alias to the second argument type of `operator()`.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:bsl/owner_less-0f/operator_call-00.adoc[`operator()`] 
| Return `true` if the ownership of `a` is ordered before that of `b`.
|===



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