package reactor.util.context;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Objects;
import java.util.stream.Stream;
final class Context0 implements Context {
static final Context0 INSTANCE = new Context0();
@Override
public Context put(Object key, Object value) {
Objects.requireNonNull(key, "key");
Objects.requireNonNull(value, "value");
return new Context1(key, value);
}
@Override
public Context delete(Object key) {
return this;
}
@Override
public <T> T get(Object key) {
throw new NoSuchElementException("Context is empty");
}
@Override
public boolean hasKey(Object key) {
return false;
}
@Override
public String toString() {
return "Context0{}";
}
@Override
public Stream<Map.Entry<Object, Object>> stream() {
return Stream.empty();
}
}