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

This class provides a type‐erased interface to an output iterator that it holds indirectly via a reference to a `Format_ContextOutputIteratorImpl` type. It is solely for private use by other components of the `bslfmt` package and should not be used directly.

== Synopsis

Declared in `<bslfmt_format_context.h>`

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

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslfmt/Format_ContextOutputIteratorRef/difference_type.adoc[`difference_type`] 
| This `typedef` is an alias for `void` (type‐erased output iterator).
| xref:BloombergLP/bslfmt/Format_ContextOutputIteratorRef/iterator_category.adoc[`iterator_category`] 
| This `typedef` is an alias for `bsl::output_iterator_tag`.
| xref:BloombergLP/bslfmt/Format_ContextOutputIteratorRef/pointer.adoc[`pointer`] 
| This `typedef` is an alias for `void` (type‐erased output iterator).
| xref:BloombergLP/bslfmt/Format_ContextOutputIteratorRef/reference.adoc[`reference`] 
| This `typedef` is an alias for `void` (type‐erased output iterator).
| xref:BloombergLP/bslfmt/Format_ContextOutputIteratorRef/value_type.adoc[`value_type`] 
| This `typedef` is an alias for the character type `t_CHAR`.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslfmt/Format_ContextOutputIteratorRef/2constructor.adoc[`Format_ContextOutputIteratorRef`]         [.small]#[constructor]#
| Create an instance of this type. The specified `base` should be a pointer to an `Format_ContextOutputIteratorImpl` type whose lifetime must outlive that of the constructed instance.
| xref:BloombergLP/bslfmt/Format_ContextOutputIteratorRef/operator_assign.adoc[`operator=`] 
| Call `put(x)` on the referenced `Format_ContextOutputIteratorImpl` instance. This will result in the value being written to the underlying iterator referenced by the `Format_ContextOutputIteratorImpl` instance, and that underlying iterator then being incremented.
| xref:BloombergLP/bslfmt/Format_ContextOutputIteratorRef/operator_star.adoc[`operator*`] 
| Return a reference to `*this`. This method is provided to enable this type to satisfy the requirements of [output.iterators].
| xref:BloombergLP/bslfmt/Format_ContextOutputIteratorRef/operator_inc-03.adoc[`operator++`] 
| Do nothing. This method is provided to enable this type to satisfy the requirements of [output.iterators].
|===



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