enum qmessage{ Move{ x : i32, y : i32}, User(String), } impl qmessage{ fn printf(&self){ println!("str : {} " , self); // but Error } } fn main(){ let vprint = qmessage::User(String::from("== hello ===")); vprint.printf(); }
how to print or how to cast (self to String)
I found Here
impl qmessage{ fn printf(&self){ match self { qmessage::User(v) =>{println!("{}", v)}, _ => println!("c====") } } }
If you know about Traits already, there's the "Debug" and "Display" traits. They allow you to print your enums/structs. Sorry, no time to elaborate right now, look it up or wait a little. I'm sure someone else will reply soon.
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