[#BloombergLP-bslfmt-basic_format_args]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslfmt.adoc[bslfmt]::basic_format_args
:relfileprefix: ../../
:mrdocs:

Access to a set of type‐erased formatting arguments.

== Synopsis

Declared in `<bslfmt_format_args.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_CONTEXT>
class basic_format_args;
----

== Description

This class provides access to formatting arguments. It should not be constructed directly but indirectly using one of the `make_format_args` or the `make_wformat_args` functions. Note that this type has reference semantics and users must ensure that this type does not outlive the arguments used in its construction.

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslfmt/basic_format_args/2constructor-0e.adoc[`basic_format_args`]         [.small]#[constructor]#
| Constructors
| xref:BloombergLP/bslfmt/basic_format_args/get.adoc[`get`] 
| Return the argument held at the position given by the specified `pos`. If `pos >= size()` then a default‐constructed `basic_format_arg` is returned.
|===


== Friends

[cols="1,4"]
|===
| Name| Description
| `xref:BloombergLP/bslfmt/Format_ArgsUtil.adoc[BloombergLP::bslfmt::Format_ArgsUtil]`
| Utility functions for manipulating format argument types.
|===


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