default_kwargs 0.1.0

The macro wich enables you to use default and keyword arguments in Rust
Documentation 
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error[E0061]: this function takes 2 arguments but 1 argument was supplied
  --> tests/ui/04-missing-positional.rs:12:34
   |
12 |     let (r, s) = keyword_args! { thing(y = 666) };
   |                  ----------------^^^^^-----------
   |                  |               |
   |                  |               expected 2 arguments
   |                  supplied 1 argument
   |
note: function defined here
  --> tests/ui/04-missing-positional.rs:6:8
   |
5  | / default_args! {
6  | |     fn thing(x: i32, y: i32 = 69) -> (i32, i32) {
   | |        ^^^^^ ------
7  | |         (x, y)
8  | |     }
9  | | }
   | |_-