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- ガード - Rust By Example 日本語版 7980
- Introduction 1. Hello World ❱ 1.1. コメント 1.2. フォーマットしてプリント ❱ 1.2.1. デバッグ 1.2.
...is odd"), _ => println!("No correlation..."), } } Note that the compiler does not check arbitrary expres...o"), _ => println!("Fell through"), // This should not be possible to reach } } 参照 タプル 関連キーワード... - https://man.plustar.jp/rust/example/flow_control/match/guard.html - [similar]
- Diverging functions - Rust By Example 日本語版 7980
- Introduction 1. Hello World ❱ 1.1. コメント 1.2. フォーマットしてプリント ❱ 1.2.1. デバッグ 1.2.
...} } As opposed to all the other types, this one cannot be instantiated, because the set of all possible v...alues this type can have is empty. Note that, it is different from the () type, which has...) -> u32 { let mut acc = 0; for i in 0..up_to { // Notice that the return type of this match expression m...On the other hand, the "continue" expression does not return // u32, but it is still fine, because it ne... - https://man.plustar.jp/rust/example/fn/diverging.html - [similar]
- Partial moves - Rust By Example 日本語版 7980
- Introduction 1. Hello World ❱ 1.1. コメント 1.2. フォーマットしてプリント ❱ 1.2.1. デバッグ 1.2.
...parts stay. In such a case, the parent variable cannot be used afterwards as a whole, however the parts t...hat are only referenced (and not moved) can still be used. fn main() { #[derive(Deb...he person struct is {:?}", person); // `person` cannot be used but `person.age` can be used as it is not... - https://man.plustar.jp/rust/example/scope/move/partial_move.html - [similar]
- Tests - Rust By Example 日本語版 7752
- Introduction 1. Hello World ❱ 1.1. コメント 1.2. フォーマットしてプリント ❱ 1.2.1. デバッグ 1.2.
...le.write_all("Ferris\n".as_bytes()) .expect("Could not write to ferris.txt"); } } // This test tries to w...ile.write_all("Corro\n".as_bytes()) .expect("Could not write to ferris.txt"); } } } } Although the intent... - https://man.plustar.jp/rust/example/cargo/test.html - [similar]
- Iterator::any - Rust By Example 日本語版 7752
- Introduction 1. Hello World ❱ 1.1. コメント 1.2. フォーマットしてプリント ❱ 1.2.1. デバッグ 1.2.
...ng the caller may be borrowed // and modified, but not consumed. // `any`は`&mut self`を取るため、イテレー...any captured variable may at most be // modified, not consumed. `Self::Item` states it takes // argument... - https://man.plustar.jp/rust/example/fn/closures/closure_examples/iter_any.html - [similar]
- Iterator::find - Rust By Example 日本語版 7752
- Introduction 1. Hello World ❱ 1.1. コメント 1.2. フォーマットしてプリント ❱ 1.2.1. デバッグ 1.2.
...ng the caller may be borrowed // and modified, but not consumed. // `find`は`&mut self`を取るため、イテレ...any captured variable may at most be // modified, not consumed. `&Self::Item` states it takes // argumen... - https://man.plustar.jp/rust/example/fn/closures/closure_examples/iter_find.html - [similar]
- ジェネリック境界 - Rust By Example 日本語版 7752
- Introduction 1. Hello World ❱ 1.1. コメント 1.2. フォーマットしてプリント ❱ 1.2.1. デバッグ 1.2.
...。 struct S<T: Display>(T); // Error! `Vec<T>` does not implement `Display`. This // specialization will f.../ ^ TODO: Try uncommenting these. // | Error: Does not implement either `Debug` or `HasArea`. // ^ TODO:... - https://man.plustar.jp/rust/example/generics/bounds.html - [similar]
- Testcase: map-reduce - Rust By Example 日本語版 7752
- Introduction 1. Hello World ❱ 1.1. コメント 1.2. フォーマットしてプリント ❱ 1.2.1. デバッグ 1.2.
...sum the intermediate sums produced by each thread. Note that, although we're passing references across th...or of numbers .sum(); // println! locks stdout, so no text-interleaving occurs println!("processed segmen...t {}, result={}", i, result); // "return" not needed, because Rust is an "expression language",...um result: {}", final_result); } Assignments It is not wise to let our number of threads depend on user i... - https://man.plustar.jp/rust/example/std_misc/threads/testcase_mapreduce.html - [similar]
- Raw identifiers - Rust By Example 日本語版 6794
- Introduction 1. Hello World ❱ 1.1. コメント 1.2. フォーマットしてプリント ❱ 1.2.1. デバッグ 1.2.
...iers mean something to the language, and so you cannot use them in places like variable names, function n...identifiers let you use keywords where they would not normally be allowed. This is particularly useful w... - https://man.plustar.jp/rust/example/compatibility/raw_identifiers.html - [similar]
- 定数 - Rust By Example 日本語版 6794
- Introduction 1. Hello World ❱ 1.1. コメント 1.2. フォーマットしてプリント ❱ 1.2.1. デバッグ 1.2.
...mut )な値 The static lifetime is inferred and does not have to be specified. Accessing or modifying a mut...s_big(n) { "big" } else { "small" }); // Error! Cannot modify a `const`. // エラー!`const`は変更できません... - https://man.plustar.jp/rust/example/custom_types/constants.html - [similar]