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

Writes the next value as its difference from the previous one.

== Synopsis

Declared in `<blockencodings.h>`

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

== Parameters

[cols="1,4"]
|===
| Name| Description
| *s*
| The output stream to write to.
| *v*
| The next value in the increasing sequence.
|===


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