Refactor Board::is_attacked_by() and Board::can_go()
tree4225a61c87638cea70910a55ba47ee870ca1528e
-rw-r--r-- 47 AUTHORS
-rw-r--r-- 35147 COPYING
-rw-r--r-- 459 INSTALL.md
-rw-r--r-- 283 Makefile
-rw-r--r-- 1590 NEWS
-rw-r--r-- 2760 README.md
-rw-r--r-- 1546 configure.mk
drwxr-xr-x - src
drwxr-xr-x - test