[#BloombergLP-bslmf-IsBitwiseCopyable-026]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::IsBitwiseCopyable
:relfileprefix: ../../
:mrdocs:

This `struct` template provides a meta‐function to determine whether the (template parameter) `t_TYPE` is bitwise copyable.

== Synopsis

Declared in `<bslmf_isbitwisecopyable.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_TYPE>
struct IsBitwiseCopyable
    : bsl::integral_constant<bool, DetectNestedTrait<t_TYPE, IsBitwiseCopyable>::value || bsl::is_trivially_copyable<t_TYPE>::value>::type
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `bsl::integral_constant<bool, DetectNestedTrait<t_TYPE, IsBitwiseCopyable>::value || bsl::is_trivially_copyable<t_TYPE>::value>::type`
| 
|===

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmf/IsBitwiseCopyable-027.adoc[`IsBitwiseCopyable<BloombergLP::bdlt::Date>`] 
| This template specialization for `IsBitwiseCopyable` indicates that `Date` is a bitwise copyable type.
| xref:BloombergLP/bslmf/IsBitwiseCopyable-0e8.adoc[`IsBitwiseCopyable<BloombergLP::bdlt::DateTz>`] 
| This template specialization for `IsBitwiseCopyable` indicates that `bdlt::DateTz` is a bitwise copyable type.
| xref:BloombergLP/bslmf/IsBitwiseCopyable-087.adoc[`IsBitwiseCopyable<BloombergLP::bdlt::Datetime>`] 
| This template specialization for `IsBitwiseCopyable` indicates that `bdlt::Datetime` is a bitwise copyable type.
| xref:BloombergLP/bslmf/IsBitwiseCopyable-09a.adoc[`IsBitwiseCopyable<BloombergLP::bdlt::DatetimeTz>`] 
| This template specialization for `IsBitwiseCopyable` indicates that `bdlt::DatetimeTz` is a bitwise copyable type.
| xref:BloombergLP/bslmf/IsBitwiseCopyable-072.adoc[`IsBitwiseCopyable<bdlt::DayOfWeekSet>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-09f.adoc[`IsBitwiseCopyable<bdlt::DayOfWeekSet_Iter>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-0a.adoc[`IsBitwiseCopyable<BloombergLP::bdlt::Time>`] 
| This template specialization for `IsBitwiseCopyable` indicates that `bdlt::Time` is a bitwise copyable type.
| xref:BloombergLP/bslmf/IsBitwiseCopyable-005.adoc[`IsBitwiseCopyable<BloombergLP::bdlt::TimeTz>`] 
| This template specialization for `IsBitwiseCopyable` indicates that `bdlt::TimeTz` is a bitwise copyable type.
| xref:BloombergLP/bslmf/IsBitwiseCopyable-082.adoc[`IsBitwiseCopyable<BloombergLP::bslh::WyHashIncrementalAlgorithm>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-00a.adoc[`IsBitwiseCopyable<bdlf::MemFn<PROTOTYPE>>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-0c.adoc[`IsBitwiseCopyable<t_TYPE volatile>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-03c.adoc[`IsBitwiseCopyable<t_TYPE const>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-09e.adoc[`IsBitwiseCopyable<t_TYPE const volatile>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-0eaf.adoc[`IsBitwiseCopyable<t_TYPE&>`] 
| This partial specialization optimizes away a number of nested template instantiations to ensure that reference types are never bitwise copyable.
| xref:BloombergLP/bslmf/IsBitwiseCopyable-092.adoc[`IsBitwiseCopyable<t_TYPE&&>`] 
| This partial specialization optimizes away a number of nested template instantiations to ensure that rvalue reference types are never bitwise copyable.
| xref:BloombergLP/bslmf/IsBitwiseCopyable-0ea3.adoc[`IsBitwiseCopyable<t_TYPE[]>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-03f.adoc[`IsBitwiseCopyable<t_TYPE volatile[]>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-07c.adoc[`IsBitwiseCopyable<t_TYPE const[]>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-02f.adoc[`IsBitwiseCopyable<t_TYPE const volatile[]>`] 
| These partial specializations ensures that array‐of‐unknown‐bound types have the same result as their element type.
| xref:BloombergLP/bslmf/IsBitwiseCopyable-0d.adoc[`IsBitwiseCopyable<BloombergLP::bslalg::DequeIterator<VALUE_TYPE, BLOCK_LENGTH>>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-08a.adoc[`IsBitwiseCopyable<bsl::pair<T1, T2>>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-05.adoc[`IsBitwiseCopyable<t_TYPE[]>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-08b.adoc[`IsBitwiseCopyable<t_TYPE volatile[]>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-06.adoc[`IsBitwiseCopyable<t_TYPE const[]>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-0e5.adoc[`IsBitwiseCopyable<t_TYPE const volatile[]>`] 
| 
|===


== Derived Classes

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmf/IsBitwiseCopyable-03c.adoc[`IsBitwiseCopyable<t_TYPE const>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-05.adoc[`IsBitwiseCopyable<t_TYPE[]>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-06.adoc[`IsBitwiseCopyable<t_TYPE const[]>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-08b.adoc[`IsBitwiseCopyable<t_TYPE volatile[]>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-09e.adoc[`IsBitwiseCopyable<t_TYPE const volatile>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-0c.adoc[`IsBitwiseCopyable<t_TYPE volatile>`] 
| 
| xref:BloombergLP/bslmf/IsBitwiseCopyable-0e5.adoc[`IsBitwiseCopyable<t_TYPE const volatile[]>`] 
| 
|===


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