make feature const-fn default

Author: Felix Stegmaier

Cargo.toml

@@ -19,6 +19,7 @@ repository = "https://github.com/japaric/heapless"
 version = "0.3.6"
 
 [features]
+default = ["const-fn"]
 const-fn = []
 
 [dev-dependencies]

ci/script.sh

@@ -5,18 +5,18 @@ main() {
 
     if [ $TARGET = x86_64-unknown-linux-gnu ]; then
         cargo test --target $TARGET
-        cargo test --target $TARGET --all-features
+        cargo test --target $TARGET --no-default-features
         cargo test --target $TARGET --release
-        cargo test --target $TARGET --release --all-features
+        cargo test --target $TARGET --release --no-default-features
 
         export RUSTFLAGS="-Z sanitizer=thread"
         export RUST_TEST_THREADS=1
         export TSAN_OPTIONS="suppressions=$(pwd)/blacklist.txt"
 
         cargo test --test tsan --target $TARGET
-        cargo test --test tsan --target $TARGET --all-features
+        cargo test --test tsan --target $TARGET --no-default-features
         cargo test --test tsan --target $TARGET --release
-        cargo test --test tsan --target $TARGET --release --all-features
+        cargo test --test tsan --target $TARGET --release --no-default-features
     fi
 }