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SOURCE_FILE
FN
FN_KW "fn"
WHITESPACE " "
NAME
IDENT "foo"
PARAM_LIST
L_PAREN "("
R_PAREN ")"
WHITESPACE " "
BLOCK_EXPR
STMT_LIST
L_CURLY "{"
WHITESPACE "\n "
EXPR_STMT
LOOP_EXPR
LABEL
LIFETIME
LIFETIME_IDENT "'a"
COLON ":"
WHITESPACE " "
LOOP_KW "loop"
WHITESPACE " "
BLOCK_EXPR
STMT_LIST
L_CURLY "{"
R_CURLY "}"
WHITESPACE "\n "
EXPR_STMT
WHILE_EXPR
LABEL
LIFETIME
LIFETIME_IDENT "'b"
COLON ":"
WHITESPACE " "
WHILE_KW "while"
WHITESPACE " "
LITERAL
TRUE_KW "true"
WHITESPACE " "
BLOCK_EXPR
STMT_LIST
L_CURLY "{"
R_CURLY "}"
WHITESPACE "\n "
FOR_EXPR
LABEL
LIFETIME
LIFETIME_IDENT "'c"
COLON ":"
WHITESPACE " "
FOR_KW "for"
WHITESPACE " "
IDENT_PAT
NAME
IDENT "x"
WHITESPACE " "
IN_KW "in"
WHITESPACE " "
TUPLE_EXPR
L_PAREN "("
R_PAREN ")"
WHITESPACE " "
BLOCK_EXPR
STMT_LIST
L_CURLY "{"
R_CURLY "}"
WHITESPACE "\n"
R_CURLY "}"
WHITESPACE "\n"