init project

Cargo.toml

@@ -0,0 +1,3 @@
+[workspace]
+
+members = ["crates/bufdb"]

README.md

@@ -1,2 +1,4 @@
 # bufdb
-An in-memory buffer library base on level-db and berkelery-db.
+
+An in-memory buffer library which is based on level-db and berkelery-db.
+This is a placeholder project now.

crates/bufdb/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "bufdb"
+version = "0.0.1"
+edition = "2021"
+license = "Apache-2.0"
+authors = ["Steven Lee <[email protected]>"]
+description = "An in-memory buffer library."
+repository = "https://github.com/leexgone/bufdb"
+homepage = "https://github.com/leexgone"
+readme = "../../README.md"
+keywords = []
+categories = []
+
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

crates/bufdb/src/lib.rs

@@ -0,0 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}