Created
March 18, 2014 11:05
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use of traits
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| use std::fmt; | |
| struct Name { | |
| first: ~str, | |
| last: ~str | |
| } | |
| // I'm printing a string here, but | |
| // in reality this could be binary output | |
| impl fmt::Binary for Name { | |
| fn fmt(obj: &Name, f: &mut fmt::Formatter) { | |
| write!(f.buf, "{}, {}", obj.last, obj.first) | |
| } | |
| } | |
| impl fmt::Default for Name { | |
| fn fmt(obj: &Name, f: &mut fmt::Formatter) { | |
| write!(f.buf, "(first: {}, last: {})", obj.first, obj.last) | |
| } | |
| } | |
| fn main() { | |
| let x = Name { first: ~"Matthew", last: ~"Philyaw" }; | |
| // print default | |
| println!("{}", x); | |
| // print binary | |
| println!("{:t}", x) | |
| } |
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