diff --git a/Cargo.toml b/Cargo.toml
index 907c6a5..e1c196c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "bp3d-util"
-version = "2.1.0"
+version = "2.1.1"
 authors = ["Yuri Edward <yuri6037@outlook.com>"]
 edition = "2021"
 description = "OS independant Rust language utilities."
diff --git a/src/result.rs b/src/result.rs
index 84d2936..5050579 100644
--- a/src/result.rs
+++ b/src/result.rs
@@ -59,6 +59,8 @@ impl<T, E: Error> ResultExt<T, E> for Result<T, E> {
     }
 }
 
+/// Generates a match block which returns errors to circumvent rust borrow checker defects.
+#[macro_export]
 macro_rules! try_res {
     ($value: expr => |$e: ident| $err: expr) => {
         match $value {
@@ -68,6 +70,8 @@ macro_rules! try_res {
     };
 }
 
+/// Generates a match block which returns errors to circumvent rust borrow checker defects.
+#[macro_export]
 macro_rules! try_opt {
     ($value: expr => $err: expr) => {
         match $value {