[#BloombergLP-bslmf-IsNil-04]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::IsNil
:relfileprefix: ../../
:mrdocs:

Metafunction that is `true` for `Nil` and `false` for all other types&period;

== Synopsis

Declared in `&lt;bslmf&lowbar;nil&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class t&lowbar;T&gt;
struct IsNil
    : xref:bsl/false_type.adoc[bsl::false&lowbar;type]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:bsl/false_type.adoc[bsl::false&lowbar;type]`
| Metafunction representing the boolean constant `false`&period;
|===

== Specializations

[cols="1"]
|===
| Name
| xref:BloombergLP/bslmf/IsNil-09.adoc[`IsNil&lt;Nil&gt;`] 
|===



[.small]#Created with https://www.mrdocs.com[MrDocs]#
