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

Returns the ceiling of a duration using the passed duration unit to its smallest value not less than the duration.

== Synopsis

Declared in `<absl/time/time.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:absl/Duration.adoc[Duration]
Ceil(
    xref:absl/Duration.adoc[Duration] d,
    xref:absl/Duration.adoc[Duration] unit);
----

== Description

Example:

absl::Duration d = absl::Nanoseconds(123456789); absl::Duration c = absl::Ceil(d, absl::Microseconds(1)); // 123457us

== Return Value

`d` rounded up to a multiple of `unit`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *d*
| The duration to take the ceiling of.
| *unit*
| The unit to take the ceiling to.
|===


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