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SOURCE_FILE
FN
FN_KW "fn"
WHITESPACE " "
NAME
IDENT "foo"
PARAM_LIST
L_PAREN "("
R_PAREN ")"
WHITESPACE "\n"
WHERE_CLAUSE
WHERE_KW "where"
WHITESPACE "\n "
WHERE_PRED
LIFETIME
LIFETIME_IDENT "'a"
COLON ":"
WHITESPACE " "
TYPE_BOUND_LIST
TYPE_BOUND
LIFETIME
LIFETIME_IDENT "'b"
WHITESPACE " "
PLUS "+"
WHITESPACE " "
TYPE_BOUND
LIFETIME
LIFETIME_IDENT "'c"
COMMA ","
WHITESPACE "\n "
WHERE_PRED
PATH_TYPE
PATH
PATH_SEGMENT
NAME_REF
IDENT "T"
COLON ":"
WHITESPACE " "
TYPE_BOUND_LIST
TYPE_BOUND
PATH_TYPE
PATH
PATH_SEGMENT
NAME_REF
IDENT "Clone"
WHITESPACE " "
PLUS "+"
WHITESPACE " "
TYPE_BOUND
PATH_TYPE
PATH
PATH_SEGMENT
NAME_REF
IDENT "Copy"
WHITESPACE " "
PLUS "+"
WHITESPACE " "
TYPE_BOUND
LIFETIME
LIFETIME_IDENT "'static"
COMMA ","
WHITESPACE "\n "
WHERE_PRED
PATH_TYPE
PATH
PATH
PATH_SEGMENT
NAME_REF
IDENT "Iterator"
COLON2 "::"
PATH_SEGMENT
NAME_REF
IDENT "Item"
COLON ":"
WHITESPACE " "
TYPE_BOUND_LIST
TYPE_BOUND
LIFETIME
LIFETIME_IDENT "'a"
COMMA ","
WHITESPACE "\n "
WHERE_PRED
PATH_TYPE
PATH
PATH
PATH_SEGMENT
TYPE_ANCHOR
L_ANGLE "<"
PATH_TYPE
PATH
PATH_SEGMENT
NAME_REF
IDENT "T"
WHITESPACE " "
AS_KW "as"
WHITESPACE " "
PATH_TYPE
PATH
PATH_SEGMENT
NAME_REF
IDENT "Iterator"
R_ANGLE ">"
COLON2 "::"
PATH_SEGMENT
NAME_REF
IDENT "Item"
COLON ":"
WHITESPACE " "
TYPE_BOUND_LIST
TYPE_BOUND
LIFETIME
LIFETIME_IDENT "'a"
WHITESPACE "\n"
BLOCK_EXPR
STMT_LIST
L_CURLY "{"
R_CURLY "}"
WHITESPACE "\n"