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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 "
LET_STMT
LET_KW "let"
WHITESPACE " "
TUPLE_PAT
L_PAREN "("
IDENT_PAT
MUT_KW "mut"
WHITESPACE " "
NAME
IDENT "a"
COMMA ","
WHITESPACE " "
IDENT_PAT
MUT_KW "mut"
WHITESPACE " "
NAME
IDENT "b"
R_PAREN ")"
WHITESPACE " "
EQ "="
WHITESPACE " "
TUPLE_EXPR
L_PAREN "("
LITERAL
INT_NUMBER "0"
COMMA ","
WHITESPACE " "
LITERAL
INT_NUMBER "1"
R_PAREN ")"
SEMICOLON ";"
WHITESPACE "\n "
EXPR_STMT
BIN_EXPR
TUPLE_EXPR
L_PAREN "("
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "b"
COMMA ","
WHITESPACE " "
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "a"
COMMA ","
WHITESPACE " "
RANGE_EXPR
DOT2 ".."
R_PAREN ")"
WHITESPACE " "
EQ "="
WHITESPACE " "
TUPLE_EXPR
L_PAREN "("
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "a"
COMMA ","
WHITESPACE " "
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "b"
R_PAREN ")"
SEMICOLON ";"
WHITESPACE "\n "
EXPR_STMT
BIN_EXPR
PAREN_EXPR
L_PAREN "("
UNDERSCORE_EXPR
UNDERSCORE "_"
R_PAREN ")"
WHITESPACE " "
EQ "="
WHITESPACE " "
RANGE_EXPR
DOT2 ".."
SEMICOLON ";"
WHITESPACE "\n "
STRUCT
STRUCT_KW "struct"
WHITESPACE " "
NAME
IDENT "S"
WHITESPACE " "
RECORD_FIELD_LIST
L_CURLY "{"
WHITESPACE " "
RECORD_FIELD
NAME
IDENT "a"
COLON ":"
WHITESPACE " "
PATH_TYPE
PATH
PATH_SEGMENT
NAME_REF
IDENT "i32"
WHITESPACE " "
R_CURLY "}"
WHITESPACE "\n "
EXPR_STMT
BIN_EXPR
RECORD_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "S"
WHITESPACE " "
RECORD_EXPR_FIELD_LIST
L_CURLY "{"
WHITESPACE " "
DOT2 ".."
WHITESPACE " "
R_CURLY "}"
WHITESPACE " "
EQ "="
WHITESPACE " "
RECORD_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "S"
WHITESPACE " "
RECORD_EXPR_FIELD_LIST
L_CURLY "{"
WHITESPACE " "
DOT2 ".."
CALL_EXPR
PATH_EXPR
PATH
PATH
PATH_SEGMENT
NAME_REF
IDENT "S"
COLON2 "::"
PATH_SEGMENT
NAME_REF
IDENT "default"
ARG_LIST
L_PAREN "("
R_PAREN ")"
WHITESPACE " "
R_CURLY "}"
SEMICOLON ";"
WHITESPACE "\n "
EXPR_STMT
BIN_EXPR
CALL_EXPR
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "Some"
ARG_LIST
L_PAREN "("
RANGE_EXPR
DOT2 ".."
R_PAREN ")"
WHITESPACE " "
EQ "="
WHITESPACE " "
CALL_EXPR
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "Some"
ARG_LIST
L_PAREN "("
LITERAL
INT_NUMBER "0"
R_PAREN ")"
SEMICOLON ";"
WHITESPACE "\n "
EXPR_STMT
BIN_EXPR
CALL_EXPR
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "Ok"
ARG_LIST
L_PAREN "("
UNDERSCORE_EXPR
UNDERSCORE "_"
R_PAREN ")"
WHITESPACE " "
EQ "="
WHITESPACE " "
LITERAL
INT_NUMBER "0"
SEMICOLON ";"
WHITESPACE "\n "
LET_STMT
LET_KW "let"
WHITESPACE " "
TUPLE_PAT
L_PAREN "("
IDENT_PAT
NAME
IDENT "a"
COMMA ","
WHITESPACE " "
IDENT_PAT
NAME
IDENT "b"
R_PAREN ")"
SEMICOLON ";"
WHITESPACE "\n "
EXPR_STMT
BIN_EXPR
ARRAY_EXPR
L_BRACK "["
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "a"
COMMA ","
WHITESPACE " "
RANGE_EXPR
DOT2 ".."
COMMA ","
WHITESPACE " "
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "b"
R_BRACK "]"
WHITESPACE " "
EQ "="
WHITESPACE " "
ARRAY_EXPR
L_BRACK "["
LITERAL
INT_NUMBER "1"
COMMA ","
WHITESPACE " "
RANGE_EXPR
DOT2 ".."
COMMA ","
WHITESPACE " "
LITERAL
INT_NUMBER "2"
R_BRACK "]"
SEMICOLON ";"
WHITESPACE "\n "
EXPR_STMT
BIN_EXPR
TUPLE_EXPR
L_PAREN "("
UNDERSCORE_EXPR
UNDERSCORE "_"
COMMA ","
WHITESPACE " "
UNDERSCORE_EXPR
UNDERSCORE "_"
R_PAREN ")"
WHITESPACE " "
EQ "="
WHITESPACE " "
TUPLE_EXPR
L_PAREN "("
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "a"
COMMA ","
WHITESPACE " "
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "b"
R_PAREN ")"
SEMICOLON ";"
WHITESPACE "\n "
EXPR_STMT
BIN_EXPR
PAREN_EXPR
L_PAREN "("
UNDERSCORE_EXPR
UNDERSCORE "_"
R_PAREN ")"
WHITESPACE " "
EQ "="
WHITESPACE " "
TUPLE_EXPR
L_PAREN "("
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "a"
COMMA ","
WHITESPACE " "
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "b"
R_PAREN ")"
SEMICOLON ";"
WHITESPACE "\n "
EXPR_STMT
BIN_EXPR
UNDERSCORE_EXPR
UNDERSCORE "_"
WHITESPACE " "
EQ "="
WHITESPACE " "
TUPLE_EXPR
L_PAREN "("
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "a"
COMMA ","
WHITESPACE " "
PATH_EXPR
PATH
PATH_SEGMENT
NAME_REF
IDENT "b"
R_PAREN ")"
SEMICOLON ";"
WHITESPACE "\n"
R_CURLY "}"
WHITESPACE "\n"