first commit

main/.gitignore

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+/target

main/Cargo.toml

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+[package]
+name = "main"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+database = { path = "../database" }

main/src/main.rs

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+use database::add;
+use database::sub;
+
+fn main() {
+    let test = add(2, 5);
+    let sub = sub(10, 5);
+
+    println!("{test}");
+    println!("{sub}");
+}