delegate-attr

Attribute proc-macro to delegate method to a field.

Examples

```rust use delegate_attr::delegate;

struct Foo { a: Vec, }

[delegate(a)]

impl Foo { fn len(&self) -> usize; fn get(&self, index: usize) -> Option<&u32>; fn push(&mut self, value: u32); }

let mut foo = Foo { a: vec![1] }; asserteq!(foo.get(0), Some(&1)); foo.push(10); asserteq!(foo.get(1), Some(&10)); assert_eq!(foo.len(), 2); ```