17 lines
335 B
Rust
17 lines
335 B
Rust
use std;
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import str;
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fn main() {
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// Make sure we properly handle repeated self-appends.
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let mut a: str = "A";
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let mut i = 20;
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let mut expected_len = 1u;
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while i > 0 {
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log(error, str::len(a));
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assert (str::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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