Add rand call

3 files changed, 81 insertions, 1 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 40e6288..12e2899 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,6 +3,12 @@
 version = 3
 
 [[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
 name = "futures"
 version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -92,6 +98,23 @@ dependencies = [
 ]
 
 [[package]]
+name = "getrandom"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4eb1a864a501629691edf6c15a593b7a51eebaa1e8468e9ddc623de7c9b58ec6"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.126"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+
+[[package]]
 name = "memchr"
 version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -110,6 +133,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
+name = "ppv-lite86"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
+
+[[package]]
 name = "proc-macro2"
 version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -128,10 +157,41 @@ dependencies = [
 ]
 
 [[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
 name = "rust-async-playground"
 version = "0.1.0"
 dependencies = [
  "futures",
+ "rand",
 ]
 
 [[package]]
@@ -156,3 +216,9 @@ name = "unicode-ident"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5bd2fe26506023ed7b5e1e315add59d6f584c621d037f9368fea9cfb988f368c"
+
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
diff --git a/Cargo.toml b/Cargo.toml
index 8b17fc9..4ab1e0e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,3 +5,4 @@ edition = "2021"
 
 [dependencies]
 futures = "0.3"
+rand = "0.8"
diff --git a/src/main.rs b/src/main.rs
index 0e1f7bc..e1e8efd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,20 @@
 use futures::executor::block_on;
+use rand::prelude::*;
+
+trait SimpleFuture {
+    type Output;
+    fn poll(&mut self, wake: fn()) -> Poll<Self::Output>;
+}
+
+enum Poll<T> {
+    Ready(T),
+    Pending,
+}
 
 async fn hello_world() {
-    println!("hello, world!");
+    let mut rng = rand::thread_rng();
+    let y: f64 = rng.gen();
+    println!("hello, world! {}", y);
 }
 
 fn main() {