X-Git-Url: https://i11git.iti.kit.edu/anon-gitweb/?p=Mitarbeiter%2FTim-Zeitz%2Fstud-rust-base.git;a=blobdiff_plain;f=src%2Fcli.rs;fp=src%2Fcli.rs;h=e66421d7fe9a46368fb4905884892fdcd21087d8;hp=0000000000000000000000000000000000000000;hb=174bad4ee583a72df07c23f242654a454a07b9f6;hpb=b52fc015957bcfa65d2e8fbb8d4ea44f4923e3a8

diff --git a/src/cli.rs b/src/cli.rs
new file mode 100644
index 0000000..e66421d
--- /dev/null
+++ b/src/cli.rs
@@ -0,0 +1,15 @@
+//! Utility module for command line interfaces
+
+use std::{fmt, fmt::Display, error::Error};
+
+/// An error struct to wrap simple static error messages
+#[derive(Debug)]
+pub struct CliErr(pub &'static str);
+
+impl Display for CliErr {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        f.write_str(self.0)
+    }
+}
+
+impl Error for CliErr {}