SOURCE_FILE@0..17
FN@0..17
FN_KW@0..2 "fn"
WHITESPACE@2..3 " "
NAME@3..4
IDENT@3..4 "f"
PARAM_LIST@4..14
L_PAREN@4..5 "("
PARAM@5..13
WILDCARD_PAT@5..6
UNDERSCORE@5..6 "_"
COLON@6..7 ":"
WHITESPACE@7..8 " "
REF_TYPE@8..13
AMP@8..9 "&"
IMPL_TRAIT_TYPE@9..13
IMPL_KW@9..13 "impl"
TYPE_BOUND_LIST@13..13
R_PAREN@13..14 ")"
WHITESPACE@14..15 " "
BLOCK_EXPR@15..17
STMT_LIST@15..17
L_CURLY@15..16 "{"
R_CURLY@16..17 "}"
error 9..13: At least one trait is required for an object type