Add feature

.github/workflows/build-and-test.yaml

@@ -38,6 +38,12 @@ jobs:
           command: check
           args: --all --bins --all-features
 
+      - name: Run cargo check without default features
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --no-default-features
+
       - name: Run cargo check
         uses: actions-rs/cargo@v1
         with:

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polling"
-version = "1.0.3"
+version = "1.1.0"
 authors = ["Stjepan Glavina <stjepang@gmail.com>"]
 edition = "2018"
 description = "Portable interface to epoll, kqueue, event ports, and wepoll"
@@ -12,6 +12,10 @@ keywords = ["mio", "epoll", "kqueue", "iocp", "wepoll"]
 categories = ["asynchronous", "network-programming", "os"]
 readme = "README.md"
 
+[features]
+default = ["std"]
+std = []
+
 [dependencies]
 cfg-if = "0.1.10"
 log = "0.4.11"

src/lib.rs

@@ -46,6 +46,8 @@
 //! # std::io::Result::Ok(())
 //! ```
 
+#![cfg(feature = "std")]
+#![cfg_attr(not(feature = "std"), no_std)]
 #![warn(missing_docs, missing_debug_implementations, rust_2018_idioms)]
 
 use std::fmt;