| ERROR ${ tok_err(c, "Syntax error in struct field", &$1); }$
Field -> IDENTIFIER : Type = Expression ${ {
| ERROR ${ tok_err(c, "Syntax error in struct field", &$1); }$
Field -> IDENTIFIER : Type = Expression ${ {
fprintf(f, "struct %.*s\n", t->name.len, t->name.txt);
fprintf(f, "struct %.*s\n", t->name.len, t->name.txt);