impl <T:SuperBound,'a> MyTrait<'a> for MyStruct<'a> {
fn get(&self)->&'a str;
fn set(&mut self);
}
fn fn_required_superbound(&self,T){}

fn main(){
let s = Mystruct {}
s.set() // error :-> error:type annotations needed
   //cannot satisfy `... and required bound for set()
}

in this impl , only one func require a superbound. other doesn't.
but I can't separate set(), get() from this .
why can this happen ?
and how to fix it?

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