huang12zheng/extension-trait

KamilaBorowska/extension-trait#11

This create is no longer maintained, consider using extend or easy-ext instead.

extension-trait

A macro to declare extension traits - a trait that is created to add methods to an external type.

Example

#[macro_use]
extern crate extension_trait;

#[extension_trait]
pub impl DoubleExt for str {
   fn double(&self) -> String {
       self.repeat(2)
   }
}

fn main() {
    assert_eq!("Hello".double(), "HelloHello");
}