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Merge pull request #101 from jturner314/doc-duration-type 

Clarify that Duration is an "accurate" duration
This commit is contained in:
Kang Seonghoon 2016-10-05 09:49:57 +09:00 committed by GitHub
parent e308e8e929 881e6c2dcc
commit 2dea325524
1 changed files with 13 additions and 6 deletions
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19
src/lib.rs
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@ -49,11 +49,13 @@
//!
//! ### Duration
//!
//! [**`Duration`**](./struct.Duration.html)
//! represents the magnitude of a time span. `Duration` used to be provided by Chrono.
//! It has been moved to the `time` crate as the
//! [`time::Duration`](https://doc.rust-lang.org/time/time/struct.Duration.html) type, but is
//! still re-exported from Chrono.
//! [**`Duration`**](./struct.Duration.html) represents the magnitude of a time
//! span. Note that this is an "accurate" duration represented as seconds and
//! nanoseconds and does not represent "nominal" components such as days or
//! months. `Duration` used to be provided by Chrono. It has been moved to the
//! `time` crate as the
//! [`time::Duration`](https://doc.rust-lang.org/time/time/struct.Duration.html)
//! type, but is still re-exported from Chrono.
//!
//! ### Date and Time
//!
@ -351,7 +353,12 @@ macro_rules! try_opt {
mod div;
pub mod duration {
//! ISO 8601 duration.
//! ISO 8601 accurate duration.
//!
//! Note that this is an "accurate" (i.e. "exact") duration represented as
//! seconds and nanoseconds. It does not include the "nominal" components
//! (years, months, weeks, and days) in the ISO 8601 duration format
//! because arithmetic with nominal components is not defined in ISO 8601.
//!
//! This used to be a part of rust-chrono,
//! but has been subsequently merged into Rust's standard library.