[#BloombergLP-balcl-OptionType-TypeToEnum-06]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/OptionType.adoc[OptionType]::TypeToEnum
:relfileprefix: ../../../
:mrdocs:

Metafunction that maps a C++ type to its corresponding `Enum` value.

== Synopsis

Declared in `<balcl_optiontype.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
struct TypeToEnum;
----

== Description

`TypeToEnum<TYPE>::value` is the `Enum` value corresponding to the (template parameter) `TYPE` where `TYPE` matches one of the `typedef`s defined above or `void`. See `EnumToType` for the inverse metafunction.

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/balcl/OptionType/TypeToEnum-0b.adoc[`TypeToEnum<OptionType::Bool>`] 
| Specialization of `TypeToEnum` for `Bool`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-078.adoc[`TypeToEnum<OptionType::Char>`] 
| Specialization of `TypeToEnum` for `Char`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-09a.adoc[`TypeToEnum<OptionType::CharArray>`] 
| Specialization of `TypeToEnum` for `CharArray`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-0af.adoc[`TypeToEnum<OptionType::Date>`] 
| Specialization of `TypeToEnum` for `Date`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-08b.adoc[`TypeToEnum<OptionType::DateArray>`] 
| Specialization of `TypeToEnum` for `DateArray`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-081.adoc[`TypeToEnum<OptionType::Datetime>`] 
| Specialization of `TypeToEnum` for `Datetime`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-0ec.adoc[`TypeToEnum<OptionType::DatetimeArray>`] 
| Specialization of `TypeToEnum` for `DatetimeArray`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-007.adoc[`TypeToEnum<OptionType::Double>`] 
| Specialization of `TypeToEnum` for `Double`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-07a.adoc[`TypeToEnum<OptionType::DoubleArray>`] 
| Specialization of `TypeToEnum` for `DoubleArray`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-073.adoc[`TypeToEnum<OptionType::Int>`] 
| Specialization of `TypeToEnum` for `Int`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-074.adoc[`TypeToEnum<OptionType::Int64>`] 
| Specialization of `TypeToEnum` for `Int64`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-08d.adoc[`TypeToEnum<OptionType::Int64Array>`] 
| Specialization of `TypeToEnum` for `Int64Array`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-0aa.adoc[`TypeToEnum<OptionType::IntArray>`] 
| Specialization of `TypeToEnum` for `IntArray`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-002.adoc[`TypeToEnum<OptionType::String>`] 
| Specialization of `TypeToEnum` for `String`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-0e5.adoc[`TypeToEnum<OptionType::StringArray>`] 
| Specialization of `TypeToEnum` for `StringArray`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-083.adoc[`TypeToEnum<OptionType::Time>`] 
| Specialization of `TypeToEnum` for `Time`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-0a9.adoc[`TypeToEnum<OptionType::TimeArray>`] 
| Specialization of `TypeToEnum` for `TimeArray`.
| xref:BloombergLP/balcl/OptionType/TypeToEnum-090.adoc[`TypeToEnum<void>`] 
| Specialization of `TypeToEnum` for `void`.
|===



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