private static ParserExpr Terms(ParserExpr recursion) => OneOf(
IdentifierWithSubscript,
Identifier,
Float,
Literal,
Parenthesized(recursion).Labelled("parenthesized Expression"),
CurlyBraced(recursion).Labelled("Curly Bracked Expression"),
Bracketed(recursion).Labelled("Bracketed")
);
private static OperatorRow[] FunctionCallOperators(ParserExpr recursion) => new[] { Operator.PostfixChainable(Parenthesized(recursion.Separated(Tok(","))).Select(CreateCall).Labelled("function call")) };