Simpler tokio runtime (#140)

* Simpler tokio runtime; 3 threads and no io driver

* switch benches over to other runtime

CHANGELOG.md

@@ -1,6 +1,8 @@
 # Unreleased
 
+- Added windows support! (thank you to [@jarjk](https://github.com/jarjk) for helping out!)
 - Added keybindings (`0`/`$`) to scroll to left or right side of zoomed-in image ([#131](https://github.com/itsjunetime/tdf/pull/131), thank you [@IshDeshpa](https://github.com/IshDeshpa)!)
+- (Internal) decreased runtime footprint of tokio runtime
 
 # v0.5.0
 

benches/rendering.rs

@@ -34,7 +34,12 @@ fn for_all_combos(
 	name: &'static str,
 	mut f: impl FnMut(&Runtime, BenchmarkId, &'static str, ProtocolType)
 ) {
-	let rt = tokio::runtime::Runtime::new().unwrap();
+	let rt = tokio::runtime::Builder::new_multi_thread()
+		.worker_threads(3)
+		.enable_time()
+		.build()
+		.unwrap();
+
 	for proto in PROTOS {
 		for file in FILES {
 			f(

src/main.rs

@@ -70,11 +70,18 @@ fn reset_term() {
 	);
 }
 
-#[tokio::main]
+fn main() -> Result<(), WrappedErr> {
-async fn main() -> Result<(), WrappedErr> {
+	let rt = tokio::runtime::Builder::new_multi_thread()
+		.worker_threads(3)
+		.enable_time()
+		.build()
+		.unwrap();
+
+	rt.block_on(async move {
 		let result = inner_main().await;
 		reset_term();
 		result
+	})
 }
 
 async fn inner_main() -> Result<(), WrappedErr> {