[#BloombergLP-bslalg-TypeTraitNil-Metafunction]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/TypeTraitNil.adoc[TypeTraitNil]::Metafunction
:relfileprefix: ../../../
:mrdocs:

Metafunction that evaluates to `true_type` for any `TYPE`.

== Synopsis

Declared in `<bslalg_typetraitnil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
struct Metafunction
    : xref:bsl/true_type.adoc[bsl::true_type]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:bsl/true_type.adoc[bsl::true_type]`
| Metafunction representing the boolean constant `true`.
|===


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