[#DifferenceFormatter-Unser]
= xref:DifferenceFormatter.adoc[DifferenceFormatter]::Unser
:relfileprefix: ../
:mrdocs:

Reads the next value by adding the encoded difference to the running total.

== Synopsis

Declared in `<blockencodings.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename Stream,
    typename I>
void
Unser(
    Stream& s,
    I& v);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *s*
| The input stream to read from.
| *v*
| Output value set to the next value in the sequence.
|===


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