[#BloombergLP-bslstl-Function_InvokerUtil_IsExplicitlyConvertible-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Function_InvokerUtil_IsExplicitlyConvertible-0c.adoc[Function_InvokerUtil_IsExplicitlyConvertible]<FROM_TO, FROM_TO>
:relfileprefix: ../../
:mrdocs:

A type is always explicitly convertible to itself. This is important for classes with deleted copy constructors and/or assignment operators, because starting in C++17, they can be returned from functions, due to "return value optimization (RVO)".

== Synopsis

Declared in `<bslstl_function_invokerutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class FROM_TO>
struct xref:BloombergLP/bslstl/Function_InvokerUtil_IsExplicitlyConvertible-0c.adoc[Function_InvokerUtil_IsExplicitlyConvertible]<FROM_TO, FROM_TO>
    : 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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