preserve channel list expansion and active channel (#36)

also check getenv in platform

1 files changed, 4 insertions, 0 deletions

diff --git a/util.hpp b/util.hpp
index 23b619b..feaf08d 100644
--- a/util.hpp
+++ b/util.hpp
@@ -21,6 +21,10 @@ struct is_optional : ::std::false_type {};
 
 template<typename T>
 struct is_optional<::std::optional<T>> : ::std::true_type {};
+
+bool IsFolder(std::string_view path);
+
+bool IsFile(std::string_view path);
 } // namespace util
 
 class Semaphore {