ch12 入出力プロジェクト: コマンドラインプログラムを構築するの和訳を最新版に更新

rust-lang/book@19c40bf
rust-lang-ja · shinmili · May 26, 2024 · Nov 28, 2024 · Dec 26, 2024 · May 26, 2024
commit 57c558896aa0b96753d68757adac2df4e1d613f5
diff --git a/listings/ch12-an-io-project/listing-12-01/Cargo.toml b/listings/ch12-an-io-project/listing-12-01/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "minigrep"
 version = "0.1.0"
-authors = ["Your Name <you@example.com>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
diff --git a/listings/ch12-an-io-project/listing-12-01/output.txt b/listings/ch12-an-io-project/listing-12-01/output.txt
@@ -2,4 +2,6 @@ $ cargo run
    Compiling minigrep v0.1.0 (file:///projects/minigrep)
     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
      Running `target/debug/minigrep`
-["target/debug/minigrep"]
+[src/main.rs:5:5] args = [
+    "target/debug/minigrep",
+]
diff --git a/listings/ch12-an-io-project/listing-12-01/src/main.rs b/listings/ch12-an-io-project/listing-12-01/src/main.rs
@@ -2,5 +2,5 @@ use std::env;
 
 fn main() {
     let args: Vec<String> = env::args().collect();
-    println!("{:?}", args);
+    dbg!(args);
 }
diff --git a/listings/ch12-an-io-project/listing-12-02/Cargo.toml b/listings/ch12-an-io-project/listing-12-02/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "minigrep"
 version = "0.1.0"
-authors = ["Your Name <you@example.com>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
diff --git a/listings/ch12-an-io-project/listing-12-02/output.txt b/listings/ch12-an-io-project/listing-12-02/output.txt
@@ -1,4 +1,4 @@
-$ cargo run test sample.txt
+$ cargo run -- test sample.txt
    Compiling minigrep v0.1.0 (file:///projects/minigrep)
     Finished dev [unoptimized + debuginfo] target(s) in 0.0s
      Running `target/debug/minigrep test sample.txt`

diff --git a/listings/ch12-an-io-project/listing-12-02/src/main.rs b/listings/ch12-an-io-project/listing-12-02/src/main.rs
@@ -4,8 +4,10 @@ fn main() {
     let args: Vec<String> = env::args().collect();
 
     let query = &args[1];
-    let filename = &args[2];
+    let file_path = &args[2];
 
+    //       "{}を検索します"
     println!("Searching for {}", query);
-    println!("In file {}", filename);
+    //       "ファイル{}の中で"
+    println!("In file {}", file_path);
 }
diff --git a/listings/ch12-an-io-project/listing-12-03/Cargo.toml b/listings/ch12-an-io-project/listing-12-03/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "minigrep"
 version = "0.1.0"
-authors = ["Your Name <you@example.com>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
diff --git a/listings/ch12-an-io-project/listing-12-03/poem.txt b/listings/ch12-an-io-project/listing-12-03/poem.txt
@@ -1,7 +1,7 @@
-I’m nobody! Who are you?
+I'm nobody! Who are you?
 Are you nobody, too?
-Then there’s a pair of us - don’t tell!
-They’d banish us, you know.
+Then there's a pair of us - don't tell!
+They'd banish us, you know.
 
 How dreary to be somebody!
 How public, like a frog

diff --git a/listings/ch12-an-io-project/listing-12-03/src/main.rs b/listings/ch12-an-io-project/listing-12-03/src/main.rs
@@ -4,8 +4,8 @@ fn main() {
     let args: Vec<String> = env::args().collect();
 
     let query = &args[1];
-    let filename = &args[2];
+    let file_path = &args[2];
 
     println!("Searching for {}", query);
-    println!("In file {}", filename);
+    println!("In file {}", file_path);
 }
diff --git a/listings/ch12-an-io-project/listing-12-04/Cargo.toml b/listings/ch12-an-io-project/listing-12-04/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "minigrep"
 version = "0.1.0"
-authors = ["Your Name <you@example.com>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
diff --git a/listings/ch12-an-io-project/listing-12-04/output.txt b/listings/ch12-an-io-project/listing-12-04/output.txt
@@ -1,14 +1,14 @@
-$ cargo run the poem.txt
+$ cargo run -- the poem.txt
    Compiling minigrep v0.1.0 (file:///projects/minigrep)
     Finished dev [unoptimized + debuginfo] target(s) in 0.0s
      Running `target/debug/minigrep the poem.txt`
 Searching for the
 In file poem.txt
 With text:
-I’m nobody! Who are you?
+I'm nobody! Who are you?
 Are you nobody, too?
-Then there’s a pair of us - don’t tell!
-They’d banish us, you know.
+Then there's a pair of us - don't tell!
+They'd banish us, you know.
 
 How dreary to be somebody!
 How public, like a frog

diff --git a/listings/ch12-an-io-project/listing-12-04/poem.txt b/listings/ch12-an-io-project/listing-12-04/poem.txt
@@ -1,7 +1,7 @@
-I’m nobody! Who are you?
+I'm nobody! Who are you?
 Are you nobody, too?
-Then there’s a pair of us - don’t tell!
-They’d banish us, you know.
+Then there's a pair of us - don't tell!
+They'd banish us, you know.
 
 How dreary to be somebody!
 How public, like a frog

diff --git a/listings/ch12-an-io-project/listing-12-04/src/main.rs b/listings/ch12-an-io-project/listing-12-04/src/main.rs
@@ -8,15 +8,17 @@ fn main() {
     let args: Vec<String> = env::args().collect();
 
     let query = &args[1];
-    let filename = &args[2];
+    let file_path = &args[2];
 
     println!("Searching for {}", query);
     // ANCHOR: here
-    println!("In file {}", filename);
+    println!("In file {}", file_path);
 
-    let contents = fs::read_to_string(filename)
-        .expect("Something went wrong reading the file");
+    let contents = fs::read_to_string(file_path)
+        //      "ファイルを読み込むことができるはずでした"
+        .expect("Should have been able to read the file");
 
-    println!("With text:\n{}", contents);
+    //       "テキスト:\n{contents}"
+    println!("With text:\n{contents}");
 }
 // ANCHOR_END: here
diff --git a/listings/ch12-an-io-project/listing-12-05/Cargo.toml b/listings/ch12-an-io-project/listing-12-05/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "minigrep"
 version = "0.1.0"
-authors = ["Your Name <you@example.com>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
diff --git a/listings/ch12-an-io-project/listing-12-05/poem.txt b/listings/ch12-an-io-project/listing-12-05/poem.txt
@@ -1,7 +1,7 @@
-I’m nobody! Who are you?
+I'm nobody! Who are you?
 Are you nobody, too?
-Then there’s a pair of us - don’t tell!
-They’d banish us, you know.
+Then there's a pair of us - don't tell!
+They'd banish us, you know.
 
 How dreary to be somebody!
 How public, like a frog

diff --git a/listings/ch12-an-io-project/listing-12-05/src/main.rs b/listings/ch12-an-io-project/listing-12-05/src/main.rs
@@ -5,25 +5,25 @@ use std::fs;
 fn main() {
     let args: Vec<String> = env::args().collect();
 
-    let (query, filename) = parse_config(&args);
+    let (query, file_path) = parse_config(&args);
 
     // --snip--
     // ANCHOR_END: here
 
     println!("Searching for {}", query);
-    println!("In file {}", filename);
+    println!("In file {}", file_path);
 
-    let contents = fs::read_to_string(filename)
-        .expect("Something went wrong reading the file");
+    let contents = fs::read_to_string(file_path)
+        .expect("Should have been able to read the file");
 
-    println!("With text:\n{}", contents);
+    println!("With text:\n{contents}");
     // ANCHOR: here
 }
 
 fn parse_config(args: &[String]) -> (&str, &str) {
     let query = &args[1];
-    let filename = &args[2];
+    let file_path = &args[2];
 
-    (query, filename)
+    (query, file_path)
 }
 // ANCHOR_END: here
diff --git a/listings/ch12-an-io-project/listing-12-06/Cargo.toml b/listings/ch12-an-io-project/listing-12-06/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "minigrep"
 version = "0.1.0"
-authors = ["Your Name <you@example.com>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
diff --git a/listings/ch12-an-io-project/listing-12-06/poem.txt b/listings/ch12-an-io-project/listing-12-06/poem.txt
@@ -1,7 +1,7 @@
-I’m nobody! Who are you?
+I'm nobody! Who are you?
 Are you nobody, too?
-Then there’s a pair of us - don’t tell!
-They’d banish us, you know.
+Then there's a pair of us - don't tell!
+They'd banish us, you know.
 
 How dreary to be somebody!
 How public, like a frog

diff --git a/listings/ch12-an-io-project/listing-12-06/src/main.rs b/listings/ch12-an-io-project/listing-12-06/src/main.rs
@@ -8,27 +8,27 @@ fn main() {
     let config = parse_config(&args);
 
     println!("Searching for {}", config.query);
-    println!("In file {}", config.filename);
+    println!("In file {}", config.file_path);
 
-    let contents = fs::read_to_string(config.filename)
-        .expect("Something went wrong reading the file");
+    let contents = fs::read_to_string(config.file_path)
+        .expect("Should have been able to read the file");
 
     // --snip--
     // ANCHOR_END: here
 
-    println!("With text:\n{}", contents);
+    println!("With text:\n{contents}");
     // ANCHOR: here
 }
 
 struct Config {
     query: String,
-    filename: String,
+    file_path: String,
 }
 
 fn parse_config(args: &[String]) -> Config {
     let query = args[1].clone();
-    let filename = args[2].clone();
+    let file_path = args[2].clone();
 
-    Config { query, filename }
+    Config { query, file_path }
 }
 // ANCHOR_END: here
diff --git a/listings/ch12-an-io-project/listing-12-07/Cargo.toml b/listings/ch12-an-io-project/listing-12-07/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "minigrep"
 version = "0.1.0"
-authors = ["Your Name <you@example.com>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
diff --git a/listings/ch12-an-io-project/listing-12-07/output.txt b/listings/ch12-an-io-project/listing-12-07/output.txt
@@ -2,5 +2,8 @@ $ cargo run
    Compiling minigrep v0.1.0 (file:///projects/minigrep)
     Finished dev [unoptimized + debuginfo] target(s) in 0.0s
      Running `target/debug/minigrep`
-thread 'main' panicked at 'index out of bounds: the len is 1 but the index is 1', src/main.rs:27:21
-note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
+thread 'main' panicked at src/main.rs:27:21:
+index out of bounds: the len is 1 but the index is 1
+(スレッド'main'はsrc/main.rs:27:21でパニックしました:
+境界外アクセス: 長さは1なのに添え字も1です)
+note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
diff --git a/listings/ch12-an-io-project/listing-12-07/poem.txt b/listings/ch12-an-io-project/listing-12-07/poem.txt
@@ -1,7 +1,7 @@
-I’m nobody! Who are you?
+I'm nobody! Who are you?
 Are you nobody, too?
-Then there’s a pair of us - don’t tell!
-They’d banish us, you know.
+Then there's a pair of us - don't tell!
+They'd banish us, you know.
 
 How dreary to be somebody!
 How public, like a frog

diff --git a/listings/ch12-an-io-project/listing-12-07/src/main.rs b/listings/ch12-an-io-project/listing-12-07/src/main.rs
@@ -9,12 +9,12 @@ fn main() {
     // ANCHOR_END: here
 
     println!("Searching for {}", config.query);
-    println!("In file {}", config.filename);
+    println!("In file {}", config.file_path);
 
-    let contents = fs::read_to_string(config.filename)
-        .expect("Something went wrong reading the file");
+    let contents = fs::read_to_string(config.file_path)
+        .expect("Should have been able to read the file");
 
-    println!("With text:\n{}", contents);
+    println!("With text:\n{contents}");
     // ANCHOR: here
 
     // --snip--
@@ -25,16 +25,16 @@ fn main() {
 // ANCHOR_END: here
 struct Config {
     query: String,
-    filename: String,
+    file_path: String,
 }
 
 // ANCHOR: here
 impl Config {
     fn new(args: &[String]) -> Config {
         let query = args[1].clone();
-        let filename = args[2].clone();
+        let file_path = args[2].clone();
 
-        Config { query, filename }
+        Config { query, file_path }
     }
 }
 // ANCHOR_END: here
diff --git a/listings/ch12-an-io-project/listing-12-08/Cargo.toml b/listings/ch12-an-io-project/listing-12-08/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "minigrep"
 version = "0.1.0"
-authors = ["Your Name <you@example.com>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
diff --git a/listings/ch12-an-io-project/listing-12-08/output.txt b/listings/ch12-an-io-project/listing-12-08/output.txt
@@ -2,5 +2,8 @@ $ cargo run
    Compiling minigrep v0.1.0 (file:///projects/minigrep)
     Finished dev [unoptimized + debuginfo] target(s) in 0.0s
      Running `target/debug/minigrep`
-thread 'main' panicked at 'not enough arguments', src/main.rs:26:13
-note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.
+thread 'main' panicked at src/main.rs:26:13:
+not enough arguments
+(スレッド'main'はsrc/main.rs:26:13でパニックしました:
+引数が足りません)
+note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
diff --git a/listings/ch12-an-io-project/listing-12-08/poem.txt b/listings/ch12-an-io-project/listing-12-08/poem.txt
@@ -1,7 +1,7 @@
-I’m nobody! Who are you?
+I'm nobody! Who are you?
 Are you nobody, too?
-Then there’s a pair of us - don’t tell!
-They’d banish us, you know.
+Then there's a pair of us - don't tell!
+They'd banish us, you know.
 
 How dreary to be somebody!
 How public, like a frog

diff --git a/listings/ch12-an-io-project/listing-12-08/src/main.rs b/listings/ch12-an-io-project/listing-12-08/src/main.rs
@@ -7,32 +7,33 @@ fn main() {
     let config = Config::new(&args);
 
     println!("Searching for {}", config.query);
-    println!("In file {}", config.filename);
+    println!("In file {}", config.file_path);
 
-    let contents = fs::read_to_string(config.filename)
-        .expect("Something went wrong reading the file");
+    let contents = fs::read_to_string(config.file_path)
+        .expect("Should have been able to read the file");
 
-    println!("With text:\n{}", contents);
+    println!("With text:\n{contents}");
 }
 
 struct Config {
     query: String,
-    filename: String,
+    file_path: String,
 }
 
 impl Config {
     // ANCHOR: here
     // --snip--
     fn new(args: &[String]) -> Config {
         if args.len() < 3 {
+            //     "引数が足りません"
             panic!("not enough arguments");
         }
         // --snip--
         // ANCHOR_END: here
 
         let query = args[1].clone();
-        let filename = args[2].clone();
+        let file_path = args[2].clone();
 
-        Config { query, filename }
+        Config { query, file_path }
     }
 }