[#bsl-list-054-remove_if]
= xref:bsl.adoc[bsl]::xref:bsl/list-054.adoc[list]::remove_if
:relfileprefix: ../../
:mrdocs:

Erase all the elements in this list for which the specified unary `predicate` returns `true` and return the number of erased elements.

== Synopsis

Declared in `<bslstl_list.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class PREDICATE>
xref:bsl/list-054/size_type.adoc[list<VALUE, ALLOCATOR>::size_type]
remove_if(PREDICATE predicate);
----


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