回答編集履歴
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追記
answer
CHANGED
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@@ -1,1 +1,6 @@
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1
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-
[Rust Documentation 型間のキャスト](https://doc.rust-jp.rs/the-rust-programming-language-ja/1.6/book/casting-between-types.html)
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1
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+
[Rust Documentation 型間のキャスト](https://doc.rust-jp.rs/the-rust-programming-language-ja/1.6/book/casting-between-types.html)
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2
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+
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3
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+
let x: i32 = 5;
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4
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let y = x as i64;
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5
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+
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6
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+
上記例が載っていました。
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