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fix: clarify misleading 'Error' comment in print_display example #2004

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marioidival merged 1 commit into from
Apr 1, 2026
+3 −2
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fix: clarify misleading 'Error' comment in print_display example #2004

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5 changes: 3 additions & 2 deletions src/hello/print/print_display.md
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Original file line number Diff line number Diff line change
Expand Up @@ -94,8 +94,9 @@ fn main() {
println!("Display: {}", point);
println!("Debug: {:?}", point);

// Error. Both `Debug` and `Display` were implemented, but `{:b}`
// requires `fmt::Binary` to be implemented. This will not work.
// The following line would not compile: both `Debug` and `Display`
// were implemented, but `{:b}` requires `fmt::Binary` to be
// implemented, which it hasn't been for `Point2D`.
// println!("What does Point2D look like in binary: {:b}?", point);
}
```
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