mirror of
https://github.com/Mercury-Language/mercury.git
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249 lines
7.0 KiB
Mathematica
249 lines
7.0 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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%
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% Test case for io.write_binary/io.read_binary.
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% (adapted from tests/hard_coded/write.m, which tests io.write).
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% XXX currently we do not pass the test of "univ"!
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:- module write_binary.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is cc_multi.
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:- implementation.
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:- import_module array.
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:- import_module char.
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:- import_module exception.
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:- import_module int.
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:- import_module list.
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:- import_module map.
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:- import_module require.
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:- import_module std_util.
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:- import_module term.
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:- pred test_ops(io::di, io::uo) is cc_multi.
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:- pred test_builtins(io::di, io::uo) is cc_multi.
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:- pred test_discriminated(io::di, io::uo) is cc_multi.
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:- pred test_polymorphism(io::di, io::uo) is cc_multi.
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:- pred test_other(io::di, io::uo) is cc_multi.
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:- pred do_test(T::in, io::di, io::uo) is cc_multi.
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:- pred do_test_2(T::in, T::out, io::di, io::uo) is det.
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:- type enum
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---> one
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; two
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; three.
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:- type fruit
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---> apple(list(int))
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; banana(list(enum)).
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:- type thingie
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---> foo
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; bar(int)
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; bar(int, int)
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; qux(int)
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; quux(int)
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; quuux(int, int)
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; wombat
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; zoom(int)
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; zap(int, float)
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; zip(int, int)
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; zop(float, float).
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:- type poly(A, B)
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---> poly_one(A)
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; poly_two(B)
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; poly_three(B, A, poly(B, A)).
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:- type no_tag
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---> qwerty(int).
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:- type expr
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---> var(string)
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; int(int)
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; expr + expr
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; expr - expr
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; expr * expr
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; (expr, expr)
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; {expr; expr}
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; {{expr}}
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; (type)
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; blah
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; (?-).
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main(!IO) :-
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test_ops(!IO),
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test_discriminated(!IO),
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test_polymorphism(!IO),
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test_builtins(!IO),
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test_other(!IO).
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test_ops(!IO) :-
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io.write_string("TESTING TERMS WITH OPERATORS\n", !IO),
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do_test(var("X") + int(3) * var("X^2") ; (type), !IO),
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do_test(write_binary.{type}, !IO),
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do_test(write_binary.{?-}, !IO),
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do_test((?-), !IO),
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do_test(write_binary.{blah}, !IO),
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do_test((blah ; (type), (type) * blah ; (type)), !IO),
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do_test(((blah ; blah), blah) * blah ; blah, !IO),
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do_test((type) * blah ; (type), !IO).
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test_discriminated(!IO) :-
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io.write_string("TESTING DISCRIMINATED UNIONS\n", !IO),
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% test enumerations
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do_test(one, !IO),
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do_test(two, !IO),
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do_test(three, !IO),
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% test simple tags
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do_test(apple([9, 5, 1]), !IO),
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do_test(banana([three, one, two]), !IO),
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% test complicated tags
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do_test(zop(3.3, 2.03), !IO),
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do_test(zip(3, 2), !IO),
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do_test(zap(3, -2.111), !IO),
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% test complicated constant
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do_test(wombat, !IO),
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do_test(foo, !IO).
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test_polymorphism(!IO) :-
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io.write_string("TESTING POLYMORPHISM\n", !IO),
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do_test(poly_one([2399.3]) `with_type` poly(list(float), int), !IO),
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do_test(poly_two(3) `with_type` poly(list(float), int), !IO),
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do_test(poly_three(3.33, 4, poly_one(9.11)), !IO).
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test_builtins(!IO) :-
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io.write_string("TESTING BUILTINS\n", !IO),
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% test strings
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do_test("", !IO),
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do_test("Hello, world\n", !IO),
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do_test("Foo%sFoo", !IO),
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do_test("""", !IO),
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% test characters
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do_test('a' `with_type` char, !IO),
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do_test('&' `with_type` char, !IO),
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do_test('.' `with_type` char, !IO),
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do_test('%' `with_type` char, !IO),
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do_test(' ' `with_type` char, !IO),
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do_test('\t' `with_type` char, !IO),
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do_test('\n' `with_type` char, !IO),
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do_test(('\\') `with_type` char, !IO),
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do_test('*' `with_type` char, !IO),
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do_test('/' `with_type` char, !IO),
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% test floats
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do_test(3.14159, !IO),
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do_test(11.28324983E-22, !IO),
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do_test(22.3954899E22, !IO),
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% test ints
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do_test(-65, !IO),
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do_test(4, !IO),
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% Test uints.
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do_test(651u, !IO),
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% Test fixed-size ints.
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do_test(-128i8, !IO),
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do_test(127i8, !IO),
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do_test(255u8, !IO),
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do_test(-32768i16, !IO),
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do_test(32767i16, !IO),
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do_test(65535u16, !IO),
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do_test(-2147483648i32, !IO),
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do_test(2147483647i32, !IO),
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do_test(4294967295u32, !IO),
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%%% XXX currently we do not pass this test!
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%%% % test univ.
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%%% type_to_univ(["hi! I'm a univ!"], Univ),
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%%% do_test(Univ, !IO),
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% test predicates
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% io.read_binary doesn't work for higher-order terms,
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% so this test is expected to fail.
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io.write_string("next text is expected to fail:\n", !IO),
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do_test(do_test `with_type` pred(int, io, io), !IO).
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test_other(!IO) :-
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io.write_string("TESTING OTHER TYPES\n", !IO),
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term.init_var_supply(VarSupply `with_type` var_supply(generic)),
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term.create_var(Var, VarSupply, NewVarSupply),
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do_test(Var, !IO),
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do_test(VarSupply, !IO),
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do_test(NewVarSupply, !IO),
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% presently, at least, map is an equivalence and
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% an abstract type.
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map.init(Map `with_type` map(int, string)),
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do_test(Map, !IO),
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% a no tag type
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do_test(qwerty(4), !IO),
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array.from_list([1, 2, 3, 4], Array),
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do_test(Array, !IO).
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do_test(Term, !IO) :-
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try_io(do_test_2(Term), Result, !IO),
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( if Result = succeeded(TermRead) then
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io.print("test passed:\n", !IO),
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io.print(Term, !IO), io.nl(!IO),
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io.print(TermRead, !IO), io.nl(!IO)
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else
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io.print("test failed:\n", !IO),
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io.print(Result, !IO), io.nl(!IO),
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io.print(Term, !IO), io.nl(!IO)
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).
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do_test_2(Term, TermRead, !IO) :-
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io.make_temp_file(FileNameRes, !IO),
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( if FileNameRes = ok(FileName) then
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io.open_binary_output(FileName, OutputRes, !IO),
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( if OutputRes = ok(OutputStream) then
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io.write_byte(OutputStream, 42, !IO),
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io.write_binary(OutputStream, Term, !IO),
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io.write_byte(OutputStream, 43, !IO),
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io.close_binary_output(OutputStream, !IO),
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io.open_binary_input(FileName, InputRes, !IO),
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( if InputRes = ok(InputStream) then
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io.read_byte(InputStream, B42, !IO),
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io.read_binary(InputStream, Result, !IO),
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io.read_byte(InputStream, B43, !IO),
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io.close_binary_input(InputStream, !IO),
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( if
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B42 = ok(42),
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B43 = ok(43),
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Result = ok(TermRead0),
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TermRead0 = Term
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then
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io.remove_file(FileName, _, !IO),
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io.print("ok... ", !IO),
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TermRead = TermRead0
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else
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io.remove_file(FileName, _, !IO),
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throw("error reading term back in again")
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)
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else
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io.remove_file(FileName, _, !IO),
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throw(InputRes)
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)
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else
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io.remove_file(FileName, _, !IO),
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throw(OutputRes)
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)
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else
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unexpected($pred, "cannot open temp file")
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).
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