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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
WHILE_EXPR
WHILE_KW "while"
WHITESPACE " "
LITERAL
TRUE_KW "true"
WHITESPACE " "
BLOCK_EXPR
STMT_LIST
L_CURLY "{"
R_CURLY "}"
SEMICOLON ";"
WHITESPACE "\n "
EXPR_STMT
WHILE_EXPR
WHILE_KW "while"
WHITESPACE " "
LET_EXPR
LET_KW "let"
WHITESPACE " "
TUPLE_STRUCT_PAT
PATH
PATH_SEGMENT
NAME_REF
IDENT "Some"
L_PAREN "("
IDENT_PAT
NAME
IDENT "x"
R_PAREN ")"
WHITESPACE " "
EQ "="
WHITESPACE " "
METHOD_CALL_EXPR
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "it"
DOT "."
NAME_REF
IDENT "next"
ARG_LIST
L_PAREN "("
R_PAREN ")"
WHITESPACE " "
BLOCK_EXPR
STMT_LIST
L_CURLY "{"
R_CURLY "}"
SEMICOLON ";"
WHITESPACE "\n "
EXPR_STMT
WHILE_EXPR
WHILE_KW "while"
WHITESPACE " "
BLOCK_EXPR
STMT_LIST
L_CURLY "{"
WHITESPACE " "
LITERAL
TRUE_KW "true"
WHITESPACE " "
R_CURLY "}"
WHITESPACE " "
BLOCK_EXPR
STMT_LIST
L_CURLY "{"
R_CURLY "}"
SEMICOLON ";"
WHITESPACE "\n"
R_CURLY "}"
WHITESPACE "\n"