temp converter thing i actually made myself!

converter/.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk

converter/Cargo.toml

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+[package]
+name = "converter"
+version = "0.1.0"
+authors = ["Emily J. <me@emily.im>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

converter/src/main.rs

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+use std::io;
+
+fn main() {
+    println!("This program can convert between celcius and farenheight.");
+    println!("Which unit would you like to convert to?");
+
+    let mut unit = String::new();
+    let mut temp = String::new();
+
+    io::stdin()
+        .read_line(&mut unit)
+        .expect("Failed to read line.");
+
+    unit = unit.trim().to_lowercase();
+
+    println!("Please type in the temperature:");
+
+    io::stdin()
+        .read_line(&mut temp)
+        .expect("Failed to read line.");
+
+    let temp_trimmed = temp.trim();
+    let temp_f64: f64 = temp_trimmed.parse()
+        .expect("Invalid input, please enter an valid integer!");
+
+    println!("{}", temp_f64);
+
+    if unit == "fahrenheit" || unit == "f" {
+        let output = to_f(temp_f64);
+        println!("{}C is equal to {}F", temp_f64, output);
+    } else if unit == "celcius" || unit == "c" {
+        let output = to_c(temp_f64);
+        println!("{}F is equal to {}C", temp_f64, output);
+    } else {
+        println!("Input is not a valid temperature unit, please try again.");
+    }
+}
+
+fn to_f(input: f64) -> f64 {
+    (input * 9.0/5.0) + 32.0
+}
+
+fn to_c(input: f64) -> f64 {
+    (input - 32.0) * 5.0/9.0
+}