add try_print!() macro

src/macros.rs

@@ -13,6 +13,21 @@ macro_rules! try_log {
 	};
 }
 
+/// Unwrap a Result and print if it's an error
+#[macro_export]
+macro_rules! try_print {
+	($e:expr, $($arg:tt)*) => {
+		match $e {
+			Ok(r) => r,
+			Err(e) => {
+				let s = std::fmt::format(format_args!($($arg)*));
+				println!("{}({}) :: {} :: {}", file!(), line!(), s, e);
+				return Err(Box::from(e));
+				}
+			}
+	};
+}
+
 /// Unwrap a Result<T, E>, if it's an error then let client know and return.
 #[macro_export]
 macro_rules! try_send_error {