From 78c4cd65286518f406a7c4a97c61a9b0885345c7 Mon Sep 17 00:00:00 2001
From: Mariano Riefolo <rfmariano@protonmail.com>
Date: Fri, 6 Sep 2024 09:54:25 +0200
Subject: [PATCH] Wrote program for Day 43

---
 README.md                                     |  2 +-
 .../day43/Cargo.toml                          |  6 ++++
 .../day43/src/lib.rs                          |  3 ++
 .../day43/src/main.rs                         | 28 +++++++++++++++
 .../day43/tests/examples.rs                   | 34 +++++++++++++++++++
 5 files changed, 72 insertions(+), 1 deletion(-)
 create mode 100644 Week-07/Day-43_Area-Of-A-Triangle/day43/Cargo.toml
 create mode 100644 Week-07/Day-43_Area-Of-A-Triangle/day43/src/lib.rs
 create mode 100644 Week-07/Day-43_Area-Of-A-Triangle/day43/src/main.rs
 create mode 100644 Week-07/Day-43_Area-Of-A-Triangle/day43/tests/examples.rs

diff --git a/README.md b/README.md
index c3d8f1a..417a7a2 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,7 @@ We encourage you to share your progress and ask questions in the Discussions sec
 | Day #40       | [Larrys Array](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-06/Day-40_Larrys-Array)                          | :white_check_mark:      |
 | Day #41       | [Sales By Match](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-06/Day-41_Sales-By-Match)                        | :white_check_mark:      |
 | Day #42       | [Drawing Book](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-06/Day-42_Drawing-Book)                          | :white_check_mark:      |
-| Day #43       | [Area Of A Triangle](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-07/Day-43_Area-Of-A-Triangle)                    | :white_large_square:      |
+| Day #43       | [Area Of A Triangle](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-07/Day-43_Area-Of-A-Triangle)                    | :white_check_mark:      |
 | Day #44       | [Maximum Edge Of A Triangle](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-07/Day-44_Maximum-Edge-Of-A-Triangle)            | :white_large_square:      |
 | Day #45       | [Subtract The Swapped Bits...](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-07/Day-45_Subtract-The-Swapped-Bits-Without-Temp-Storage)          | :white_large_square:      |
 | Day #46       | [Hot Pics Of Danny Devito](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-07/Day-46_Hot-Pics-Of-Danny-Devito)              | :white_large_square:      |
diff --git a/Week-07/Day-43_Area-Of-A-Triangle/day43/Cargo.toml b/Week-07/Day-43_Area-Of-A-Triangle/day43/Cargo.toml
new file mode 100644
index 0000000..85083cd
--- /dev/null
+++ b/Week-07/Day-43_Area-Of-A-Triangle/day43/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "day43"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/Week-07/Day-43_Area-Of-A-Triangle/day43/src/lib.rs b/Week-07/Day-43_Area-Of-A-Triangle/day43/src/lib.rs
new file mode 100644
index 0000000..1234c75
--- /dev/null
+++ b/Week-07/Day-43_Area-Of-A-Triangle/day43/src/lib.rs
@@ -0,0 +1,3 @@
+pub fn tri_area(base: f64, height: f64) -> f64 {
+    base * height / 2f64
+}
diff --git a/Week-07/Day-43_Area-Of-A-Triangle/day43/src/main.rs b/Week-07/Day-43_Area-Of-A-Triangle/day43/src/main.rs
new file mode 100644
index 0000000..f702d5d
--- /dev/null
+++ b/Week-07/Day-43_Area-Of-A-Triangle/day43/src/main.rs
@@ -0,0 +1,28 @@
+use std::{
+    io::{self, Write},
+    num::ParseFloatError,
+};
+
+use day43::tri_area;
+
+fn read_f64(request: &str) -> Result<f64, ParseFloatError> {
+    let mut input = String::new();
+    print!("{}", request);
+    io::stdout().flush().expect("Failed to flush stdout");
+    std::io::stdin()
+        .read_line(&mut input)
+        .expect("Failed to read input");
+    input.trim().parse()
+}
+
+fn main() {
+    let base = read_f64("Enter the base of the triangle: ");
+    let height = read_f64("Enter the height of the triangle: ");
+    match base {
+        Ok(base) => match height {
+            Ok(height) => println!("The area of the triangle is: {}", tri_area(base, height)),
+            Err(e) => println!("Error: {}", e),
+        },
+        Err(e) => println!("Error: {}", e),
+    }
+}
diff --git a/Week-07/Day-43_Area-Of-A-Triangle/day43/tests/examples.rs b/Week-07/Day-43_Area-Of-A-Triangle/day43/tests/examples.rs
new file mode 100644
index 0000000..9c8b280
--- /dev/null
+++ b/Week-07/Day-43_Area-Of-A-Triangle/day43/tests/examples.rs
@@ -0,0 +1,34 @@
+#[cfg(test)]
+mod examples {
+    use day43::tri_area;
+
+    #[test]
+    fn example1() {
+        assert_eq!(tri_area(3f64, 2f64), 3f64);
+    }
+
+    #[test]
+    fn example2() {
+        assert_eq!(tri_area(5f64, 4f64), 10f64);
+    }
+
+    #[test]
+    fn example3() {
+        assert_eq!(tri_area(7f64, 4f64), 14f64);
+    }
+
+    #[test]
+    fn example4() {
+        assert_eq!(tri_area(10f64, 10f64), 50f64);
+    }
+
+    #[test]
+    fn example5() {
+        assert_eq!(tri_area(12f64, 11f64), 66f64);
+    }
+
+    #[test]
+    fn example6() {
+        assert_eq!(tri_area(0f64, 60f64), 0f64);
+    }
+}