Update rand and fix some clippy warnings

Author: Rémi Lauzier

Cargo.toml

@@ -13,7 +13,7 @@ keywords = ["sfx","sound","effect"]
 categories = ["multimedia::audio"]
 
 [dependencies]
-rand = "0.6"
+rand = { version = "0.8", features = ["small_rng"]}
 
 [dev-dependencies]
 sdl2 = "0.34.5"                         # SDL2 bindings for Rust

examples/cpal.rs

@@ -1,6 +1,7 @@
 use cpal::traits::{EventLoopTrait, HostTrait};
 use rand::rngs::SmallRng;
-use rand::{FromEntropy, RngCore};
+use rand::RngCore;
+use rand::SeedableRng;
 use std::time::Duration;
 use std::{
     sync::{Arc, Mutex},
@@ -12,6 +13,7 @@ pub struct Audio {
     generator: Arc<Mutex<Option<sfxr::Generator>>>,
 }
 
+#[allow(clippy::new_without_default)]
 impl Audio {
     /// Instantiate a new audio object without a generator.
     pub fn new() -> Self {
@@ -58,7 +60,7 @@ impl Audio {
                 let stream_data = match stream_result {
                     Ok(data) => data,
                     Err(err) => {
-                        eprintln!("an error occurred on stream {:?}: {}", stream_id, err);
+                        eprintln!("an error occurred on stream {:?}: {:?}", stream_id, err);
                         return;
                     }
                 };

examples/simple.rs

@@ -1,5 +1,6 @@
 use rand::rngs::SmallRng;
-use rand::{FromEntropy, RngCore};
+use rand::RngCore;
+use rand::SeedableRng;
 use sdl2::audio::{AudioCallback, AudioSpecDesired};
 use std::time::Duration;
 

src/lib.rs

@@ -40,7 +40,8 @@
     rust_2018_idioms,
     future_incompatible,
     nonstandard_style,
-    unused
+    unused,
+    clippy::all
 )]
 
 use rand::rngs::SmallRng;
@@ -110,6 +111,7 @@ pub struct Sample {
     pub arp_mod: f64,
 }
 
+#[allow(clippy::new_without_default)]
 impl Sample {
     /// Constructs a new Sample with default settings
     pub fn new() -> Sample {