Method parse_simple_define

src/pre_processor.rs:163–172

(
        &mut self,
        span: &mut Span,
        define_name: Token,
    )

    }

    fn parse_simple_define(
        &mut self,
        span: &mut Span,
        define_name: Token,
    ) -> Result<(), Diagnostic> {
        let define_name: SmolStr = define_name.to_string().into();
        let body = self.parse_define_body(span)?;
        self.simple_defines.insert(define_name.clone(), body);
        Ok(())
    }

    fn parse_define_body(&mut self, span: &mut Span) -> Result<Vec<Token>, Diagnostic> {
        let mut body = vec![];