trait Fooer {
fn foo(&self) -> String;
}
struct Foo;
impl Fooer for Foo {
fn foo(&self) -> String {
String::from_str("Hello World")
}
}
fn getfoo<T>(g: T) -> String
where T: Fooer {
g.foo()
}
fn main() {
let g = Foo;
println!("{}", getfoo(g));
}
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