15 lines
275 B
Rust
15 lines
275 B
Rust
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fn main() {
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let mut s = ~"a";
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s += ~"b";
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assert (s[0] == 'a' as u8);
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assert (s[1] == 'b' as u8);
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s += ~"c";
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s += ~"d";
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assert (s[0] == 'a' as u8);
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assert (s[1] == 'b' as u8);
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assert (s[2] == 'c' as u8);
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assert (s[3] == 'd' as u8);
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}
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