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Improve some Option code example #32464

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Merged
bors merged 1 commit into from
Mar 24, 2016
Merged

Improve some Option code example #32464

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10 changes: 3 additions & 7 deletions src/libcore/option.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -93,16 +93,12 @@
//! let msg = Some("howdy");
//!
//! // Take a reference to the contained string
//! match msg {
//! Some(ref m) => println!("{}", *m),
//! None => (),
//! if let Some(ref m) = msg {
//! println!("{}", *m);
//! }
//!
//! // Remove the contained string, destroying the Option
//! let unwrapped_msg = match msg {
//! Some(m) => m,
//! None => "default message",
//! };
//! let unwrapped_msg = msg.unwrap_or("default message");
//! ```
//!
//! Initialize a result to `None` before a loop:
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