Début monnaie

Session1/TP1/Monnaie/Cargo.toml

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+[package]
+name = "monnaie"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

Session1/TP1/Monnaie/src/main.rs

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+use std::{collections::HashMap, io::{self, Write}};
+
+fn main() {
+    let mut article_price: f32 = 0.0;
+    let mut paid_price: f32 = 0.0;
+    let mut monney: HashMap<String, f32> = HashMap::new();
+
+    let mut is_int: bool = false;
+    while !is_int {
+        print!("Please enter the article's price: ");
+        let _ = io::stdout().flush();
+        let mut input_text: String = String::new();
+        io::stdin()
+            .read_line(&mut input_text)
+            .expect("Failed to read from stdin");
+        match input_text.trim().parse::<f32>() {
+            Ok(i) => {
+                is_int = true;
+                article_price = i;
+            }
+            Err(..) => println!("Must be a number!"),
+        }
+    }
+
+    is_int = false;
+    while !is_int {
+        print!("Amount given by the customer: ");
+        let _ = io::stdout().flush();
+        let mut input_text: String = String::new();
+        io::stdin()
+            .read_line(&mut input_text)
+            .expect("Failed to read from stdin");
+        match input_text.trim().parse::<f32>() {
+            Ok(i) => {
+                is_int = true;
+                paid_price = i;
+            }
+            Err(..) => println!("Must be a number!"),
+        }
+    }
+
+    if paid_price < article_price {
+        println!("The customer has not given enough monney!!");
+        println!("Press enter to continue...");
+        let mut buffer = String::new();
+        std::io::stdin()
+            .read_line(&mut buffer)
+            .expect("Failed to read line");
+        return;
+    }
+
+    let mut remain = paid_price - article_price;
+    
+    let mut total = 0.0;
+    for (k, v) in monney.iter() {
+        if *v != 0.0 {
+            println!("{} X {} $", v, k);
+            total += v;
+        }
+    }
+    println!("This makes a total of {:.0} coins and bills", total);
+
+    println!("Press enter to continue...");
+        let mut buffer = String::new();
+        std::io::stdin()
+            .read_line(&mut buffer)
+            .expect("Failed to read line");
+        return;
+}