Skip to content

Commit

Permalink
Add missing example for Display::fmt
Browse files Browse the repository at this point in the history
  • Loading branch information
GuillaumeGomez committed Mar 10, 2017
1 parent 11bc48a commit a5a3981
Showing 1 changed file with 20 additions and 1 deletion.
21 changes: 20 additions & 1 deletion src/libcore/fmt/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -529,6 +529,26 @@ pub trait Debug {
#[stable(feature = "rust1", since = "1.0.0")]
pub trait Display {
/// Formats the value using the given formatter.
///
/// # Examples
///
/// ```
/// use std::fmt;
///
/// struct Position {
/// longitude: f32,
/// latitude: f32,
/// }
///
/// impl fmt::Display for Position {
/// fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
/// write!(f, "({}, {})", self.longitude, self.latitude)
/// }
/// }
///
/// assert_eq!("(1.987, 2.983)".to_owned(),
/// format!("{}", Position { longitude: 1.987, latitude: 2.983, }));
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
fn fmt(&self, f: &mut Formatter) -> Result;
}
Expand Down Expand Up @@ -930,7 +950,6 @@ pub fn write(output: &mut Write, args: Arguments) -> Result {
}

impl<'a> Formatter<'a> {

// First up is the collection of functions used to execute a format string
// at runtime. This consumes all of the compile-time statics generated by
// the format! syntax extension.
Expand Down

0 comments on commit a5a3981

Please sign in to comment.