[#absl-ToInt64Nanoseconds]
= xref:absl.adoc[absl]::ToInt64Nanoseconds
:relfileprefix: ../
:mrdocs:

Converts a Duration to an integral count of nanoseconds.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
int64_t
ToInt64Nanoseconds(xref:absl/Duration.adoc[Duration] d);
----

== Description

Helper functions that convert a Duration to an integral count of the indicated unit. These return the same results as the `IDivDuration()` function, though they usually do so more efficiently; see the documentation of `IDivDuration()` for details about overflow, etc.

Example:

absl::Duration d = absl::Milliseconds(1500); int64_t isec = absl::ToInt64Seconds(d); // isec == 1

== Return Value

The number of whole nanoseconds in `d`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *d*
| The duration to convert.
|===


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