[#BloombergLP-bslmf-MetaInt-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::MetaInt
:relfileprefix: ../../
:mrdocs:

Instantiating this template produces a distinct type for each non‐negative integer value. This template has been deprecated in favor of the standard `integral_constant` template.

== Synopsis

Declared in `<bslmf_metaint.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<int t_INT_VALUE>
struct MetaInt
    : xref:bsl/integral_constant-02.adoc[bsl::integral_constant<int, t_INT_VALUE>]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:bsl/integral_constant-02.adoc[bsl::integral_constant<int, t_INT_VALUE>]`
| Metafunction representing a compile‐time constant of the specified (template parameter) `t_TYPE` with the specified (template parameter) `t_VALUE`.
|===

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmf/MetaInt-07/Tag-06.adoc[`Tag`] 
| Tag type encoding `t_INT_VALUE` for overload resolution.
| xref:BloombergLP/bslmf/MetaInt-07/Type.adoc[`Type`] 
| This specialization of `MetaInt`.
| xref:bsl/integral_constant-02/type.adoc[`type`] 
| Alias for this `integral_constant` specialization.
| xref:bsl/integral_constant-02/value_type.adoc[`value_type`] 
| 
|===


== Enums

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmf/MetaInt-07/_04enum.adoc[`Unnamed enum`] 
| Compile‐time integer constants for this metafunction.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmf/MetaInt-07/2constructor-09.adoc[`MetaInt`]         [.small]#[constructor]#
| Constructors
| xref:bsl/integral_constant-02/operator_call.adoc[`operator()`] 
| Return a copy of the template argument `t_VALUE`.
| xref:bsl/integral_constant-02/2conversion.adoc[`operator value_type`] 
| 
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmf/MetaInt-07/tag-0f.adoc[`tag`] 
| Declared but not defined. Meta‐function use only. The tag can be used to recover meta‐information from an expression. Example: `sizeof(f(expr).tag())` returns a different compile‐time value depending on the type of the result of calling the `f` function but does not actually call the `f` function or the `tag` method at run‐time. Note that `f(expr)::VALUE` or `sizeof(f(expr)::Type)` would be ill‐formed and that `f(expr).value` is not a compile‐time expression.
|===


== Static Data Members

[cols="1"]
|===
| Name
| xref:bsl/integral_constant-02/value.adoc[`value`] 
|===


== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmf/MetaInt-00.adoc[`MetaInt<0>`] 
| This specialization of `MetaInt` has a `VAL` of zero and is convertible to and from `bsl::false_type`.
| xref:BloombergLP/bslmf/MetaInt-0b.adoc[`MetaInt<1>`] 
| This specialization of `MetaInt` has a `VAL` of one and is convertible to and from `bsl::true_type`.
|===



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