auto_impl 1.3.0

Automatically implement traits for common smart pointers and closures
Documentation 
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error: the trait 'Greeter' cannot be implemented for Fn-traits: generic arguments are not allowed
 --> tests/compile-fail/fn_generics.rs:7:14
  |
7 |     fn greet<T: Display>(&self, name: T);
  |              ^^^^^^^^^^

warning: unused import: `std::fmt::Display`
 --> tests/compile-fail/fn_generics.rs:1:5
  |
1 | use std::fmt::Display;
  |     ^^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default