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more transformation methods in option overview

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Taylor Yu 2021-06-11 12:47:37 -05:00
parent 7edc66661f
commit 370f731dfb
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6
library/core/src/option.rs
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@ -143,6 +143,8 @@
//!
//! ## Transforming contained values
//!
//! * [`flatten`] removes one level of nesting from an
//! [`Option<Option<T>>`]
//! * [`map`] transforms [`Some<T>`] to [`Some<U>`] using the provided
//! function
//! * [`map_or`] transforms [`Some<T>`] to a value of `U` using the
@ -155,8 +157,11 @@
//! [`Err(err)`] using the provided default `err` value
//! * [`ok_or_else`] transforms [`Some(v)`] to [`Ok(v)`], and [`None`] to
//! a value of [`Err<E>`] using the provided function
//! * [`transpose`] transposes an [`Option`] of a [`Result`] into a
//! [`Result`] of an [`Option`]
//!
//! [`Err(err)`]: Err
//! [`flatten`]: Option::flatten
//! [`map`]: Option::map
//! [`map_or`]: Option::map_or
//! [`map_or_else`]: Option::map_or_else
@ -164,6 +169,7 @@
//! [`ok_or`]: Option::ok_or
//! [`ok_or_else`]: Option::ok_or_else
//! [`Some(v)`]: Some
//! [`transpose`]: Option::transpose
//!
//! ## Boolean operators
//!