"首次提交"

workspace_learn/add/Cargo.toml

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+[workspace]
+members = ["adder", "add-one", "adder1"]

workspace_learn/add/add-one/.gitignore

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+/target

workspace_learn/add/add-one/Cargo.toml

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+[package]
+name = "add-one"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.7.3"

workspace_learn/add/add-one/src/lib.rs

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+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);
+    }
+}

workspace_learn/add/adder/.gitignore

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+/target

workspace_learn/add/adder/Cargo.toml

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+[package]
+name = "adder"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+add-one = { path = "../add-one" }

workspace_learn/add/adder/src/main.rs

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+use add_one;
+fn main() {
+    println!("Hello, world!");
+    add_one::add(1, 2);
+}
+
+#[test]
+fn it_works_add_one() {
+    assert_eq!(add_one::add(1, 2), 3);
+}

workspace_learn/add/adder1/.gitignore

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+/target

workspace_learn/add/adder1/Cargo.toml

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+[package]
+name = "adder1"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.8.5"
+add-one = { path = "../add-one" }

workspace_learn/add/adder1/src/main.rs

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+use add_one;
+fn main() {
+    println!("Hello, world!");
+    println!("2 + 3 = {}", add_one::add(2, 3));
+}