[#absl-SubstituteAndAppend-07]
= xref:absl.adoc[absl]::SubstituteAndAppend
:relfileprefix: ../
:mrdocs:

Overload of `SubstituteAndAppend()` that fails to compile when the number of placeholders does not match the number of arguments.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
SubstituteAndAppend(
    std::string* output,
    char const* format);
----

== Parameters

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


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