Merge pull request #877 from jadijadi/jadi_85-synonyms_rust

Adding Rust for 85-Synonyms

85_Synonym/rust/Cargo.toml

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+[package]
+name = "rust"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.8.5"

85_Synonym/rust/README.md

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+Original source downloaded [from Vintage Basic](http://www.vintage-basic.net/games.html)
+
+Conversion to [Rust](https://www.rust-lang.org/) by [Jadi](https://github.com/jadijadi)

85_Synonym/rust/src/main.rs

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+use rand::seq::SliceRandom;
+use rand::thread_rng;
+use rand::Rng;
+use std::io::{self, Write};
+
+fn print_centered(text: &str, width: usize) {
+    let pad_size: usize = if width > text.len() {
+        (width - text.len()) / 2
+    } else {
+        0
+    };
+    println!("{}{}", " ".repeat(pad_size), text);
+}
+
+fn print_instructions() {
+    println!("A SYNONYM OF A WORD MEANS ANOTHER WORD IN THE ENGLISH");
+    println!("LANGUAGE WHICH HAS THE SAME OR VERY NEARLY THE SAME MEANING.");
+    println!("I CHOOSE A WORD -- YOU TYPE A SYNONYM.");
+    println!("IF YOU CAN'T THINK OF A SYNONYM, TYPE THE WORD 'HELP'");
+    println!("AND I WILL TELL YOU A SYNONYM.\n");
+}
+
+fn ask_question(mut this_question: Vec<&str>) {
+    let right_words = ["RIGHT", "CORRECT", "FINE", "GOOD!", "CHECK"];
+
+    // use the first one in the main question
+    let base_word = this_question.remove(0);
+
+    loop {
+        print!("     WHAT IS A SYNONYM OF {base_word}? ");
+        io::stdout().flush().unwrap();
+        let mut answer: String = String::new();
+        io::stdin()
+            .read_line(&mut answer)
+            .expect("Failed to read the line");
+        let answer = answer.trim();
+        if answer == "HELP" {
+            // remove one random from the answers and show it
+            let random_index = thread_rng().gen_range(0..this_question.len());
+            println!(
+                "**** A SYNONYM OF {base_word} IS {}.",
+                this_question.remove(random_index)
+            );
+        } else if this_question.contains(&answer) {
+            println!("{}", right_words.choose(&mut rand::thread_rng()).unwrap());
+            break;
+        }
+    }
+}
+
+fn main() {
+    const PAGE_WIDTH: usize = 64;
+
+    let mut synonyms = vec![
+        vec!["FIRST", "START", "BEGINNING", "ONSET", "INITIAL"],
+        vec!["SIMILAR", "ALIKE", "SAME", "LIKE", "RESEMBLING"],
+        vec!["MODEL", "PATTERN", "PROTOTYPE", "STANDARD", "CRITERION"],
+        vec!["SMALL", "INSIGNIFICANT", "LITTLE", "TINY", "MINUTE"],
+        vec!["STOP", "HALT", "STAY", "ARREST", "CHECK", "STANDSTILL"],
+        vec![
+            "HOUSE",
+            "DWELLING",
+            "RESIDENCE",
+            "DOMICILE",
+            "LODGING",
+            "HABITATION",
+        ],
+        vec!["PIT", "HOLE", "HOLLOW", "WELL", "GULF", "CHASM", "ABYSS"],
+        vec!["PUSH", "SHOVE", "THRUST", "PROD", "POKE", "BUTT", "PRESS"],
+        vec!["RED", "ROUGE", "SCARLET", "CRIMSON", "FLAME", "RUBY"],
+        vec![
+            "PAIN",
+            "SUFFERING",
+            "HURT",
+            "MISERY",
+            "DISTRESS",
+            "ACHE",
+            "DISCOMFORT",
+        ],
+    ];
+
+    synonyms.shuffle(&mut thread_rng());
+
+    print_centered("SYNONYM", PAGE_WIDTH);
+    print_centered("CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY", PAGE_WIDTH);
+    println!("\n\n\n");
+
+    print_instructions();
+
+    for this_question in synonyms {
+        ask_question(this_question)
+    }
+    println!("SYNONYM DRILL COMPLETED.");
+}
+
+////////////////////////////////////////////////////////////
+// Poring Notes
+// Poring Note: The "HELP" function .removes a variable
+// from lists and shows it. This can lead to errors when
+// the list becomes empty. But since the same issue happens
+// on the original BASIC program, kept it intact
+////////////////////////////////////////////////////////////