20 lines
354 B
Rust
20 lines
354 B
Rust
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// xfail-stage0
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use std;
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import std::str;
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fn main()
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{
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// Make sure we properly handle repeated self-appends.
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let str a = "A";
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auto i = 20;
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auto expected_len = 1u;
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while (i > 0) {
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log_err str::byte_len(a);
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assert (str::byte_len(a) == expected_len);
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a += a;
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i -= 1;
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expected_len *= 2u;
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}
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}
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