feat: add failure and exit

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rust_util"
-version = "0.6.32"
+version = "0.6.33"
 authors = ["Hatter Jiang <jht5945@gmail.com>"]
 edition = "2018"
 description = "Hatter's Rust Util"

src/lib.rs

@@ -40,6 +40,12 @@ pub mod util_tlv;
 #[macro_export] macro_rules! debugging {
     ($($arg:tt)+) => ( rust_util::util_msg::print_debug(&format!($($arg)+)); )
 }
+#[macro_export] macro_rules! failure_and_exit {
+    ($($arg:tt)+) => ( {
+        rust_util::util_msg::print_error(&format!($($arg)+));
+        std::process::exit(-1);
+    } )
+}
 #[macro_export] macro_rules! opt_value {
     ($ex: expr) => ( match $ex { Some(o) => o, None => return, } )
 }