[#absl-SubstituteAndAppend-0d9]
= xref:absl.adoc[absl]::SubstituteAndAppend
:relfileprefix: ../
:mrdocs:

Substitutes variables into `format` and appends the result to `output`.

== Synopsis

Declared in `<absl/strings/substitute.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
SubstituteAndAppend(
    std::string* output,
    std::string_view format,
    /* implementation-defined */ const& a0);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *output*
| The string that the substituted result is appended to.
| *format*
| The format string with `$0`‐`$9` placeholders.
| *a0*
| Substitution argument for `$0`.
|===


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