drop support for pre 1.0 tokio

Author: Keruspe

Cargo.toml

@@ -16,8 +16,6 @@ rust-version = "1.60"
 [features]
 default = ["async-io"]
 tokio = ["tokio-crate"]
-tokio02 = ["tokio02-crate"]
-tokio03 = ["tokio03-crate"]
 
 [dependencies]
 async-channel = "^2.1.1"
@@ -38,19 +36,5 @@ optional = true
 default-features = false
 features = ["rt", "rt-multi-thread"]
 
-[dependencies.tokio02-crate]
-package = "tokio"
-version = "^0.2"
-optional = true
-default-features = false
-features = ["rt-core"]
-
-[dependencies.tokio03-crate]
-package = "tokio"
-version = "^0.3.4"
-optional = true
-default-features = false
-features = ["rt", "rt-multi-thread"]
-
 [dev-dependencies]
 doc-comment = "^0.3"

src/lib.rs

@@ -45,7 +45,3 @@ mod threading;
 
 #[cfg(feature = "tokio")]
 mod tokio;
-#[cfg(feature = "tokio02")]
-mod tokio02;
-#[cfg(feature = "tokio03")]
-mod tokio03;

src/reactor.rs

@@ -5,9 +5,5 @@ pub(crate) fn block_on<F: std::future::Future<Output = T>, T>(future: F) -> T {
     let run = || futures_lite::future::block_on(future);
     #[cfg(feature = "tokio")]
     let _tokio_enter = crate::tokio::enter();
-    #[cfg(feature = "tokio02")]
-    let run = || crate::tokio02::enter(run);
-    #[cfg(feature = "tokio03")]
-    let _tokio03_enter = crate::tokio03::enter();
     run()
 }