Use getrandom crate for uuid

Reduces the number of dependencies.
uuid-rs · Jan 19, 2020 · 6d453a0 · 6d453a0
1 parent 257b0e5
commit 6d453a0
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Showing 2 changed files with 6 additions and 7 deletions.
diff --git a/Cargo.toml b/Cargo.toml
@@ -54,6 +54,10 @@ status = "actively-developed"
 [badges.travis-ci]
 repository = "uuid-rs/uuid"
 
+[dependencies.getrandom]
+optional = true
+version = "0.1"
+
 [dependencies.md5]
 optional = true
 version = "0.7"
@@ -95,7 +99,7 @@ std = []
 stdweb = [ "rand/stdweb" ]
 v1 = []
 v3 = ["md5"]
-v4 = ["rand"]
+v4 = ["getrandom"]
 v5 = ["sha1"]
 wasm-bindgen = ["rand/wasm-bindgen"]
 

diff --git a/src/v4.rs b/src/v4.rs
@@ -1,5 +1,4 @@
 use crate::prelude::*;
-use rand;
 
 impl Uuid {
     /// Creates a random UUID.
@@ -23,12 +22,8 @@ impl Uuid {
     ///
     /// [`rand`]: https://crates.io/crates/rand
     pub fn new_v4() -> Self {
-        use rand::RngCore;
-
-        let mut rng = rand::thread_rng();
         let mut bytes = [0; 16];
-
-        rng.fill_bytes(&mut bytes);
+        getrandom::getrandom(&mut bytes).expect("RNG failure!");
 
         Builder::from_bytes(bytes)
             .set_variant(Variant::RFC4122)