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

Container‐based version of the <algorithm> `std::replace_if()` function to replace a container's elements of some value with a new value based on some condition. The container is modified in place.

== Synopsis

Declared in `<absl/algorithm/container.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename C,
    typename Pred,
    typename T>
constexpr
void
c_replace_if(
    C& c,
    Pred&& pred,
    T&& new_value);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *c*
| The container to modify.
| *pred*
| The predicate selecting which elements to replace.
| *new_value*
| The value to substitute for matching elements.
|===


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