Param

    pub const Param = struct {
        /// Null-terminated string index.
        name: NullTerminatedString,
        type: Type,

        pub const Type = packed struct(u32) {
            /// The body contains the type of the parameter.
            body_len: u31,
            /// Whether the type is generic, i.e. refers to one or more previous parameters.
            is_generic: bool,
        };
    }