Macro fxt::trace_header

macro_rules! trace_header {
    ($name:ident (max_size_bit: $upper_size_bit:literal) ($size_ty:ty) $(($header_ty:expr))? {
        $($field_ty:ty, $getter:ident: $start_bit:literal, $end_bit:literal;)*
    }) => { ... };
    ($name:ident $(($header_ty:expr))? {
        $($field_ty:ty, $getter:ident: $start_bit:literal, $end_bit:literal;)*
    }) => { ... };
    (
        $name:ident $(($header_ty:expr))? {
            $($field_ty:ty, $getter:ident: $start_bit:literal, $end_bit:literal;)*
        } => |$header:ident $(: $header_arg_ty:ty)?| $verify:expr
    ) => { ... };
    (
        $name:ident (max_size_bit: $upper_size_bit:literal) ($size_ty:ty) $(($header_ty:expr))? {
            $($field_ty:ty, $getter:ident: $start_bit:literal, $end_bit:literal;)*
        } => |$header:ident $(: $header_arg_ty:ty)?| $verify:expr
    ) => { ... };
}