Macro dyn_context::context

macro_rules! context {
    (
        mod $name:ident
        $(< $( $lt:tt $( : $clt:tt $(+ $dlt:tt )* )? ),+ $(,)?>)?
        {
            $($(
                $field_1:ident $($field_2:ident)? : $field_mod:ident $field_ty:ty
            ),+ $(,)?)?
        }
    ) => { ... };
    (
        @impl $name:ident $tr:ident $this:ident
        [$($g:tt)*] [$($r:tt)*]
        {$({$($f:tt)*})*}
        {$({$($p:tt)*})*}
        {$({$($a:tt)*})*}
        {$({$($b:tt)*})*}
        {$($d:tt)*}
        {$($m:tt)*}
        {$field:ident : ref $ty:ty $(, $($other_fields:tt)+)?}
    ) => { ... };
    (
        @impl $name:ident $tr:ident $this:ident
        [$($g:tt)*] [$($r:tt)*]
        {$({$($f:tt)*})*}
        {$({$($p:tt)*})*}
        {$({$($a:tt)*})*}
        {$({$($b:tt)*})*}
        {$($d:tt)*}
        {$($m:tt)*}
        {dyn $field:ident : ref $ty:ty $(, $($other_fields:tt)+)?}
    ) => { ... };
    (
        @impl $name:ident $tr:ident $this:ident
        [$($g:tt)*] [$($r:tt)*]
        {$({$($f:tt)*})*}
        {$({$($p:tt)*})*}
        {$({$($a:tt)*})*}
        {$({$($b:tt)*})*}
        {$($d:tt)*}
        {$($m:tt)*}
        {$field:ident : mut $ty:ty $(, $($other_fields:tt)+)?}
    ) => { ... };
    (
        @impl $name:ident $tr:ident $this:ident
        [$($g:tt)*] [$($r:tt)*]
        {$({$($f:tt)*})*}
        {$({$($p:tt)*})*}
        {$({$($a:tt)*})*}
        {$({$($b:tt)*})*}
        {$($d:tt)*}
        {$($m:tt)*}
        {dyn $field:ident : mut $ty:ty $(, $($other_fields:tt)+)?}
    ) => { ... };
    (
        @impl $name:ident $tr:ident $this:ident
        [$($g:tt)*] [$($r:tt)*]
        {$({$($f:tt)*})*}
        {$({$($p:tt)*})*}
        {$({$($a:tt)*})*}
        {$({$($b:tt)*})*}
        {$($d:tt)*}
        {$($m:tt)*}
        {$field:ident : const $ty:ty $(, $($other_fields:tt)+)?}
    ) => { ... };
    (
        @impl $name:ident $tr:ident $this:ident
        [$($g:tt)*] [$($r:tt)*]
        {$({$($f:tt)*})*}
        {$({$($p:tt)*})*}
        {$({$($a:tt)*})*}
        {$({$($b:tt)*})*}
        {$($d:tt)*}
        {$($m:tt)*}
        {dyn $field:ident : const $ty:ty $(, $($other_fields:tt)+)?}
    ) => { ... };
    (
        @impl $name:ident $tr:ident $this:ident
        [$($g:tt)*] [$($r:tt)*]
        {$({$($f:tt)*})*} {$({$($p:tt)*})*} {$({$($a:tt)*})*} {$({$($b:tt)*})*}
        {$($d:tt)*} {$($m:tt)*} {}
    ) => { ... };
    (
        @impl (dyn) $name:ident $tr:ident $this:ident
        [$($g:tt)*] [$($r:tt)*]
        {} {}
    ) => { ... };
    (
        @impl (dyn) $name:ident $tr:ident $this:ident
        [$($g:tt)*] [$($r:tt)*]
        {$($d:tt)*} {$($m:tt)*}
    ) => { ... };
}