Macro dock_core::field_accessor

macro_rules! field_accessor {
    ($self: ident, () with $($rest: tt)*) => { ... };
    ($self: ident, $lit: literal with $($rest: tt)*) => { ... };
    ($self: ident, { $expr: expr } with $($rest: tt)*) => { ... };
    ($self: ident, $($ident: tt $(($($call: tt),*))?).+ with $($rest: tt)*) => { ... };
}

Implements field accessor based on input using supplied self.