Method atom_parse_if_peek

crates/csskit_derives/src/parse.rs:149–162

Emits a simple parse-if-peek for a single atom field.

(&self)

	/// Emits a simple parse-if-peek for a single atom field.
	fn atom_parse_if_peek(&self) -> TokenStream {
		let atom = self.atom.as_ref().expect("atom_parse_if_peek called without atom");
		let atom_path = atom.path();
		let atom_set = atom.first_segment();
		let var = &self.var;
		let inner_ty = self.ty.unpack_option();
		quote! {
			if p.peek::<#inner_ty>()
				&& p.to_atom::<#atom_set>(c) == #atom_path
			{
				#var = Some(p.parse::<#inner_ty>()?);
			}
		}
	}

	fn binding(&self) -> TokenStream {
		let Field { var, ty, .. } = self;