Implement `Duration::as_millis_{f64,f32}` Implementation of #122451. Linked const-unstability to #72440, so the post there should probably be updated to mentions the 2 new methods when/if this PR is merged.
Implement `Duration::as_millis_{f64,f32}` Implementation of #122451. Linked const-unstability to #72440, so the post there should probably be updated to mentions the 2 new methods when/if this PR is merged.