/*!
-The `ToStr` trait for converting to strings
+The `ToString` trait for converting to strings
*/
+#![experimental]
+
use fmt;
use string::String;
/// A generic trait for converting a value to a string
-pub trait ToStr {
+pub trait ToString {
/// Converts the value of `self` to an owned string
- fn to_str(&self) -> String;
+ fn to_string(&self) -> String;
}
/// Trait for converting a type to a string, consuming it in the process.
pub trait IntoStr {
/// Consume and convert to a string.
- fn into_str(self) -> String;
+ fn into_string(self) -> String;
}
-impl<T: fmt::Show> ToStr for T {
- fn to_str(&self) -> String {
+impl<T: fmt::Show> ToString for T {
+ fn to_string(&self) -> String {
format!("{}", *self)
}
}
#[test]
fn test_simple_types() {
- assert_eq!(1i.to_str(), "1".to_string());
- assert_eq!((-1i).to_str(), "-1".to_string());
- assert_eq!(200u.to_str(), "200".to_string());
- assert_eq!(2u8.to_str(), "2".to_string());
- assert_eq!(true.to_str(), "true".to_string());
- assert_eq!(false.to_str(), "false".to_string());
- assert_eq!(().to_str(), "()".to_string());
- assert_eq!(("hi".to_string()).to_str(), "hi".to_string());
+ assert_eq!(1i.to_string(), "1".to_string());
+ assert_eq!((-1i).to_string(), "-1".to_string());
+ assert_eq!(200u.to_string(), "200".to_string());
+ assert_eq!(2u8.to_string(), "2".to_string());
+ assert_eq!(true.to_string(), "true".to_string());
+ assert_eq!(false.to_string(), "false".to_string());
+ assert_eq!(().to_string(), "()".to_string());
+ assert_eq!(("hi".to_string()).to_string(), "hi".to_string());
}
#[test]
fn test_vectors() {
let x: Vec<int> = vec![];
- assert_eq!(x.to_str(), "[]".to_string());
- assert_eq!((vec![1i]).to_str(), "[1]".to_string());
- assert_eq!((vec![1i, 2, 3]).to_str(), "[1, 2, 3]".to_string());
- assert!((vec![vec![], vec![1i], vec![1i, 1]]).to_str() ==
+ assert_eq!(x.to_string(), "[]".to_string());
+ assert_eq!((vec![1i]).to_string(), "[1]".to_string());
+ assert_eq!((vec![1i, 2, 3]).to_string(), "[1, 2, 3]".to_string());
+ assert!((vec![vec![], vec![1i], vec![1i, 1]]).to_string() ==
"[[], [1], [1, 1]]".to_string());
}
}