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* lib/std/io/stream: add LimitReader Signed-off-by: Pierre Curto <pierre.curto@gmail.com> * lib/std: more method conversions to use new receiver notation Signed-off-by: Pierre Curto <pierre.curto@gmail.com> --------- Signed-off-by: Pierre Curto <pierre.curto@gmail.com>
20 lines
441 B
C
20 lines
441 B
C
module std::io @test;
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fn void! limitreader()
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{
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const DATA = "Hello World!";
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ByteReader src;
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src.init(DATA);
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const LIMIT = 5;
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LimitReader lmr;
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lmr.init(src.as_stream(), LIMIT);
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char[DATA.len] bytes;
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usz n = lmr.read(bytes[..])!;
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assert(n == LIMIT, "got %d; want %d", n, LIMIT);
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String got = (String)bytes[:n];
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String want = DATA[:LIMIT];
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assert(got == want, "got %d; want %d", got, want);
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} |