Trailing:
msg: Stringcount: u32 = 1Usually one, but incremented for redundant messages.
src_loc: SourceLocationIndex = .nonenotes_len: u32 = 0pub const ErrorMessage = struct {
msg: String,
/// Usually one, but incremented for redundant messages.
count: u32 = 1,
src_loc: SourceLocationIndex = .none,
notes_len: u32 = 0,
}