Testing the uuid crate

check-uuid/Cargo.lock

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+# It is not intended for manual editing.
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check-uuid/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "check-uuid"
+version = "0.1.0"
+authors = ["Julio Biason <julio.biason@pm.me>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+uuid = { version = "0.8", features = ["v4"] }

check-uuid/src/main.rs

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+use uuid::Uuid;
+
+fn main() {
+    let my_uuid = Uuid::new_v4();
+    println!("{}", &my_uuid);
+
+    let (major, _, _, _) = my_uuid.as_fields();
+    println!("{:x}", &major);
+}