Begin removing the MyError type.

src/context/context.rs

@@ -9,7 +9,6 @@ use super::list::List;
 use super::DynContextMatcher;
 use super::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::OrgSource;
 

src/error/error.rs

@@ -2,23 +2,19 @@ use nom::error::ErrorKind;
 use nom::error::ParseError;
 use nom::IResult;
 
-pub(crate) type Res<T, U> = IResult<T, U, CustomError<T>>;
+pub(crate) type Res<T, U> = IResult<T, U, CustomError>;
 
 #[derive(Debug)]
-pub enum CustomError<I> {
+pub enum CustomError {
     Text(String),
-    MyError(MyError<&'static str>),
+    Static(&'static str),
-    Nom(I, ErrorKind),
     IO(std::io::Error),
     BoxedError(Box<dyn std::error::Error>),
 }
 
-#[derive(Debug)]
+impl<I: std::fmt::Debug> ParseError<I> for CustomError {
-pub struct MyError<I>(pub(crate) I);
-
-impl<I> ParseError<I> for CustomError<I> {
     fn from_error_kind(input: I, kind: ErrorKind) -> Self {
-        CustomError::Nom(input, kind)
+        CustomError::Text(format!("{:?} {:?}", kind, input))
     }
 
     fn append(_input: I, _kind: ErrorKind, /*mut*/ other: Self) -> Self {
@@ -27,19 +23,19 @@ impl<I> ParseError<I> for CustomError<I> {
     }
 }
 
-impl<I> From<std::io::Error> for CustomError<I> {
+impl From<std::io::Error> for CustomError {
     fn from(value: std::io::Error) -> Self {
         CustomError::IO(value)
     }
 }
 
-impl<I> From<&'static str> for CustomError<I> {
+impl From<&'static str> for CustomError {
     fn from(value: &'static str) -> Self {
-        CustomError::MyError(MyError(value))
+        CustomError::Static(value)
     }
 }
 
-impl<I> From<Box<dyn std::error::Error>> for CustomError<I> {
+impl From<Box<dyn std::error::Error>> for CustomError {
     fn from(value: Box<dyn std::error::Error>) -> Self {
         CustomError::BoxedError(value)
     }

src/error/mod.rs

@@ -1,5 +1,4 @@
 #[allow(clippy::module_inception)]
 mod error;
 pub(crate) use error::CustomError;
-pub(crate) use error::MyError;
 pub(crate) use error::Res;

src/parser/babel_call.rs

@@ -21,7 +21,6 @@ use super::OrgSource;
 use crate::context::Matcher;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::get_consumed;
 use crate::parser::util::org_line_ending;

src/parser/citation_reference.rs

@@ -20,7 +20,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::object_parser::minimal_set_object;
 use crate::parser::util::exit_matcher_parser;

src/parser/comment.rs

@@ -19,7 +19,6 @@ use crate::context::parser_with_context;
 use crate::context::ContextElement;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::exit_matcher_parser;
 use crate::parser::util::immediate_in_section;

src/parser/document.rs

@@ -19,9 +19,7 @@ use crate::context::GlobalSettings;
 use crate::context::List;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
-use crate::parser::org_source::convert_error;
 use crate::parser::util::blank_line;
 use crate::types::AstNode;
 use crate::types::Document;

src/parser/drawer.rs

@@ -19,7 +19,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::element_parser::element;
 use crate::parser::util::blank_line;

src/parser/dynamic_block.rs

@@ -26,7 +26,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::element_parser::element;
 use crate::parser::util::blank_line;

src/parser/element_parser.rs

@@ -30,7 +30,6 @@ use super::table::detect_table;
 use crate::context::parser_with_context;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::macros::ak_element;
 use crate::parser::macros::element;

src/parser/entity.rs

@@ -13,7 +13,6 @@ use super::util::maybe_consume_object_trailing_whitespace_if_not_exiting;
 use crate::context::EntityDefinition;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::get_consumed;
 use crate::types::Entity;

src/parser/footnote_definition.rs

@@ -22,7 +22,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::element_parser::element;
 use crate::parser::util::blank_line;

src/parser/footnote_reference.rs

@@ -20,7 +20,6 @@ use crate::context::ExitMatcherNode;
 use crate::context::List;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::footnote_definition::label;
 use crate::parser::object_parser::standard_set_object;

src/parser/greater_block.rs

@@ -28,7 +28,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::element_parser::element;
 use crate::parser::util::blank_line;
@@ -232,6 +231,9 @@ fn greater_block_body<'c, 'b, 'g, 'r, 's>(
     context_name: &'c str,
 ) -> Res<OrgSource<'s>, (&'s str, Vec<Element<'s>>)> {
     if in_section(context, context_name) {
+        return Err(CustomError::Static(
+            "Cannot nest objects of the same element",
+        ));
         return Err(nom::Err::Error(CustomError::MyError(MyError(
             "Cannot nest objects of the same element",
         ))));

src/parser/headline.rs

@@ -29,7 +29,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::object_parser::standard_set_object;
 use crate::parser::util::blank_line;

src/parser/inline_babel_call.rs

@@ -19,7 +19,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::exit_matcher_parser;
 use crate::parser::util::get_consumed;

src/parser/inline_source_block.rs

@@ -21,7 +21,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::exit_matcher_parser;
 use crate::parser::util::get_consumed;

src/parser/keyword.rs

@@ -25,7 +25,6 @@ use super::util::maybe_consume_trailing_whitespace_if_not_exiting;
 use crate::context::parser_with_context;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::macros::element;
 use crate::parser::util::start_of_line;

src/parser/latex_fragment.rs

@@ -17,7 +17,6 @@ use super::util::maybe_consume_object_trailing_whitespace_if_not_exiting;
 use crate::context::parser_with_context;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::exit_matcher_parser;
 use crate::parser::util::get_consumed;

src/parser/lesser_block.rs

@@ -27,7 +27,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::object_parser::standard_set_object;
 use crate::parser::util::blank_line;

src/parser/line_break.rs

@@ -7,7 +7,6 @@ use nom::multi::many0;
 use super::org_source::OrgSource;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::get_consumed;
 use crate::types::LineBreak;

src/parser/object_parser.rs

@@ -4,7 +4,6 @@ use super::regular_link::regular_link;
 use super::subscript_and_superscript::detect_subscript_or_superscript;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::angle_link::angle_link;
 use crate::parser::citation::citation;

src/parser/org_source.rs

@@ -10,9 +10,6 @@ use nom::InputTakeAtPosition;
 use nom::Offset;
 use nom::Slice;
 
-use crate::error::CustomError;
-use crate::error::MyError;
-
 pub(crate) type BracketDepth = i16;
 
 #[derive(Copy, Clone, PartialEq)]
@@ -385,34 +382,6 @@ impl<'n, 's> FindSubstring<&'n str> for OrgSource<'s> {
     }
 }
 
-pub(crate) fn convert_error<'a, I: Into<CustomError<&'a str>>>(
-    err: nom::Err<I>,
-) -> nom::Err<CustomError<&'a str>> {
-    match err {
-        nom::Err::Incomplete(needed) => nom::Err::Incomplete(needed),
-        nom::Err::Error(err) => nom::Err::Error(err.into()),
-        nom::Err::Failure(err) => nom::Err::Failure(err.into()),
-    }
-}
-
-impl<'s> From<CustomError<OrgSource<'s>>> for CustomError<&'s str> {
-    fn from(value: CustomError<OrgSource<'s>>) -> Self {
-        match value {
-            CustomError::MyError(err) => CustomError::MyError(err),
-            CustomError::Nom(input, error_kind) => CustomError::Nom(input.into(), error_kind),
-            CustomError::IO(err) => CustomError::IO(err),
-            CustomError::BoxedError(err) => CustomError::BoxedError(err),
-            CustomError::Text(err) => CustomError::Text(err),
-        }
-    }
-}
-
-impl<'s> From<MyError<OrgSource<'s>>> for MyError<&'s str> {
-    fn from(value: MyError<OrgSource<'s>>) -> Self {
-        MyError(value.0.into())
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;

src/parser/plain_link.rs

@@ -36,7 +36,6 @@ use crate::context::ExitMatcherNode;
 use crate::context::Matcher;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::exit_matcher_parser;
 use crate::parser::util::get_consumed;

src/parser/plain_list.rs

@@ -32,7 +32,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::blank_line;
 use crate::parser::util::exit_matcher_parser;

src/parser/plain_text.rs

@@ -20,7 +20,6 @@ use super::util::org_space_or_line_ending;
 use crate::context::parser_with_context;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::types::Object;
 use crate::types::PlainText;

src/parser/property_drawer.rs

@@ -21,7 +21,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::get_consumed;
 use crate::parser::util::immediate_in_section;

src/parser/radio_link.rs

@@ -21,7 +21,6 @@ use crate::context::ExitMatcherNode;
 use crate::context::List;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::get_consumed;
 use crate::types::Object;

src/parser/regular_link.rs

@@ -43,7 +43,6 @@ use crate::context::ExitMatcherNode;
 use crate::context::List;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::types::LinkType;
 use crate::types::Object;

src/parser/subscript_and_superscript.rs

@@ -26,7 +26,6 @@ use crate::context::ExitMatcherNode;
 use crate::context::Matcher;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::get_consumed;
 use crate::types::Object;

src/parser/target.rs

@@ -13,7 +13,6 @@ use crate::context::ExitClass;
 use crate::context::ExitMatcherNode;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::get_consumed;
 use crate::types::Target;

src/parser/text_markup.rs

@@ -34,7 +34,6 @@ use crate::context::ExitMatcherNode;
 use crate::context::List;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::radio_link::rematch_target;
 use crate::parser::util::exit_matcher_parser;

src/parser/util.rs

@@ -20,7 +20,6 @@ use crate::context::parser_with_context;
 use crate::context::ContextElement;
 use crate::context::RefContext;
 use crate::error::CustomError;
-use crate::error::MyError;
 use crate::error::Res;
 use crate::types::IndentationLevel;