[#BloombergLP-bslfmt-basic_format_arg-05-handle]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslfmt.adoc[bslfmt]::xref:BloombergLP/bslfmt/basic_format_arg-05.adoc[basic_format_arg<basic_format_context<t_OUT, t_CHAR>>]::handle
:relfileprefix: ../../../
:mrdocs:

This class provides a type‐erased wrapper which holds a pointer to a user‐defined type and permits its formatting using the appropriate bsl::formatter type.

== Synopsis

Declared in `<bslfmt_format_arg.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class handle;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslfmt/basic_format_arg-05/handle/format.adoc[`format`] 
| Format the contained value using a formatter for the template parameter `t_TYPE` used in the construction of this object. The constructed formatter will parse the specification in the specified `pc` context and write the output to the specified `fc` context.
|===


== Friends

[cols="1,4"]
|===
| Name| Description
| `xref:BloombergLP/bslfmt/basic_format_arg-05.adoc[BloombergLP::bslfmt::basic_format_arg<basic_format_context<t_OUT, t_CHAR>>]`
| This class provides an STL‐compliant `basic_format_arg` which holds (by value for scalar and pointer types, by reference for user‐defined types). These types should not be constructed directly by the user.
|===


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