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

Converts an `absl::Time` to a count of nanoseconds since the Unix epoch.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int64_t
ToUnixNanos(xref:absl/Time.adoc[Time] t);
----

== Description

Converts an `absl::Time` to a variety of other representations. See https://unicode‐org.github.io/icu/userguide/datetime/universaltimescale.html

Note that these operations round down toward negative infinity where necessary to adjust to the resolution of the result type. Beware of possible time_t over/underflow in ToTime{T,val,spec}() on 32‐bit platforms.

== Return Value

The count of nanoseconds since the Unix epoch.

== Parameters

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


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