Combine the error types.

src/parser/object_parser.rs

@@ -1,9 +1,11 @@
+use crate::error::CustomError;
+use crate::error::MyError;
+use crate::error::Res;
 use nom::combinator::map;
 use nom::combinator::not;
 
 use crate::parser::object::Object;
 
-use super::error::Res;
 use super::parser_with_context::parser_with_context;
 use super::plain_text::plain_text;
 use super::Context;