simplify space parser

src/bng/score.rs

@@ -124,10 +124,11 @@ impl<'de> Deserialize<'de> for Atoms {
         const FIELDS: &[&str] = &["notes", "sheet"];
         let NotesSheet { notes, sheet } =
             deserializer.deserialize_struct("NotesSheet", FIELDS, NotesSheetVisitor)?;
+        let maybe_yml_str_space = || many0(one_of(" \t\r"));
         let x = all_consuming(terminated(
-            many0(preceded(many0(one_of(" \t\r")), flat_atom_parser(&notes))),
-            many0(alt((char('\t'), char(' '), char('\n'), char('\r')))),
-        ))(&sheet)
+            many0(preceded(maybe_yml_str_space(), flat_atom_parser(&notes))),
+            maybe_yml_str_space(),
+        ))(dbg!(&sheet))
         .map_err(nom_err_message)
         .map_err(AtomsSerializeError::Parsing)
         .map_err(de::Error::custom)

src/bng/score/lex/lexer.rs

@@ -40,7 +40,11 @@ impl Parse for Modifier {
 
 pub fn flat_atom_parser(notes: &str) -> impl Parser<&str, FlatAtom, nom::error::Error<&str>> {
     alt((
-        map_res(map_opt(one_of(notes), |c| notes.find(c)), u8::try_from).map(FlatAtom::Note),
+        map_res(
+            map_opt(one_of(notes), |c| notes.find(dbg!(c))),
+            u8::try_from,
+        )
+        .map(FlatAtom::Note),
         value(FlatAtom::Rest, char(Atom::REST)),
         value(FlatAtom::StartHere, char(Atom::START_HERE)),
         preceded(char(Atom::MODIFIER), Modifier::parse).map(FlatAtom::Modifier),