support in_cache (#560)

lingyunfly

2023-05-30 80f90dd07623fcdcc1a942f90925cc190d57b0d1

1
2
3
4
5
6
7
8
9
X    1
XX    2
XXX    3
XL    4
L    5
LX    6
LXX    7
LXXX    8
XC    9