mirror of https://github.com/rust-lang/rust
26 lines
407 B
Rust
26 lines
407 B
Rust
//@ run-pass
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struct StringBuffer {
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s: String,
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}
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impl StringBuffer {
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pub fn append(&mut self, v: &str) {
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self.s.push_str(v);
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}
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}
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fn to_string(sb: StringBuffer) -> String {
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sb.s
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}
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pub fn main() {
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let mut sb = StringBuffer {
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s: String::new(),
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};
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sb.append("Hello, ");
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sb.append("World!");
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let str = to_string(sb);
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assert_eq!(str, "Hello, World!");
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}
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