mirror of https://github.com/rust-lang/book
18 lines
427 B
Rust
18 lines
427 B
Rust
// ANCHOR: here
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use std::fmt;
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trait OutlinePrint: fmt::Display {
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fn outline_print(&self) {
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let output = self.to_string();
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let len = output.len();
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println!("{}", "*".repeat(len + 4));
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println!("*{}*", " ".repeat(len + 2));
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println!("* {output} *");
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println!("*{}*", " ".repeat(len + 2));
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println!("{}", "*".repeat(len + 4));
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}
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}
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// ANCHOR_END: here
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fn main() {}
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