15 lines
271 B
Rust
15 lines
271 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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