Feature gate: #![feature(duration_from_nanos_u128)]

This is a tracking issue for Duration::from_nanos_u128. See the ACP at rust-lang/libs-team#567.

Public API

// std::time

impl Duration {
    /// Creates a new Duration from the specified number of nanoseconds.
    ///
    /// # Panics
    ///
    /// Panics if the given number of nanoseconds overflows the Duration size.
    pub const fn from_nanos_u128(nanos: u128) -> Duration;
}

Steps / History

• Implementation: Add Duration::from_nanos_u128 #145969
• Final comment period (FCP)¹
• Stabilization PR

Unresolved Questions

• Is this the best name we can come up with?
• Should we instead try to generalize from_nanos with a sealed trait? That would block this on const traits.