Macro proc_easy::easy_argument

macro_rules! easy_argument {
    (
        $(#[$meta:meta])*
        $vis:vis struct $name:ident {
            $(#[$nmeta:meta])* $nvis:vis $nname:ident: $ntype:ty
            $(, $(#[$fmeta:meta])* $fvis:vis $fname:ident: $ftype:ty)*
            $(,)?
        }
    ) => { ... };
    (
        $(#[$meta:meta])*
        $vis:vis struct $name:ident (
            $(#[$nmeta:meta])* $nvis:vis $ntype:ty
            $(, $(#[$fmeta:meta])* $fvis:vis $ftype:ty)*
            $(,)?
        );
    ) => { ... };
}

Defines argument structure.

First field is the argument name. It must implement EasyToken. It must be used to for EasyPeek implementation.

The rest of the fields are parsed in order.

In case of errors, such as missing argument or unexpected duplicates, argument’s name and span will be used.