Add a not yet implemented function.

This helps when creating new parsers since todo!()s will panic the whole parser.

src/parser/radio_link.rs

@@ -6,8 +6,6 @@ use nom::combinator::verify;
 use nom::multi::many_till;
 
 use super::Context;
-use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::exiting::ExitClass;
 use crate::parser::object_parser::minimal_set_object;
@@ -16,14 +14,14 @@ use crate::parser::parser_context::ExitMatcherNode;
 use crate::parser::parser_with_context::parser_with_context;
 use crate::parser::util::exit_matcher_parser;
 use crate::parser::util::get_consumed;
+use crate::parser::util::not_yet_implemented;
 use crate::parser::RadioLink;
 use crate::parser::RadioTarget;
 
 #[tracing::instrument(ret, level = "debug")]
 pub fn radio_link<'r, 's>(context: Context<'r, 's>, input: &'s str) -> Res<&'s str, RadioLink<'s>> {
-    return Err(nom::Err::Error(CustomError::MyError(MyError(
-        "Not implemented yet.",
-    ))));
+    not_yet_implemented()?;
+    todo!();
 }
 
 #[tracing::instrument(ret, level = "debug")]