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src/hello/print/print_display/testcase_list.md
@@ -23,9 +23,14 @@ Using `?` on `write!` looks like this:
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write!(f, "{}", value)?;
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```
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+<!--
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Alternatively, you can also use the `try!` macro, which works the same way.
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This is a bit more verbose and no longer recommended, but you may still see it in
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older Rust code. Using `try!` looks like this:
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+-->
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+代わりに、同じよう働く`try!`マクロを使うこともできます。
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+この書き方はやや冗長でもはや推奨されていませんが、古いRustのコードで出会うかもしれません。
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+`try!`を使うとこのようになります:
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```rust,ignore
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try!(write!(f, "{}", value));
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