040000 tree 6fe23adfe9ae8f3508ea9348bb38fd6a42339deb	function
040000 tree b452d98940da3fc1d572f372be7b5286eec0e29d	mapping
040000 tree 070b211222ac9292692923882480ab870d01c5d3	operators
040000 tree 1f1c18396bbffd937c6c2d24bd9f8d86cccd2b4d	types