SOURCE_FILE
STRUCT
STRUCT_KW "struct"
WHITESPACE " "
NAME
IDENT "S"
TUPLE_FIELD_LIST
L_PAREN "("
TUPLE_FIELD
PATH_TYPE
PATH
PATH_SEGMENT
NAME_REF
IDENT "String"
COMMA ","
WHITESPACE " "
TUPLE_FIELD
PATH_TYPE
PATH
PATH_SEGMENT
NAME_REF
IDENT "usize"
R_PAREN ")"
SEMICOLON ";"
WHITESPACE "\n"