delegate-attr 0.3.0

Attribute proc-macro to delegate method to a field
Documentation 
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use delegate_attr::delegate;

struct Foo {
    inner: Vec<u8>,
}

#[delegate(self.inner)]
impl Foo {
    fn len(&self) -> usize {}
}

fn main() {
    let foo = Foo { inner: vec![1] };
    assert_eq!(foo.len(), 1);
}