8 Commits (ec28fe98377d225e2c19fb3e2e4d5757a3322d3e)

Author	SHA1	Message	Date
Matthew Wild	2bc0606453	Update copyright headers for 2010	16 years ago
Matthew Wild	e45610ce6e	Add copyright header to those files missing one	17 years ago
Matthew Wild	0d98ee54b5	util.set: Add set.xor() to get a set consisting of items not in both sets	17 years ago
Matthew Wild	901af1535f	util.set: Add set:empty() to discover if the set is the empty set	17 years ago
Matthew Wild	34a4b98cf6	util.set: Add metatable to sets to allow +, -, /, ==, tostring and to double as iterators	17 years ago
Matthew Wild	db2a808e14	util.set: Rename private items container, optimise set.difference() and add set.intersection()	17 years ago
Matthew Wild	0cb055053f	util.set: Fix to make constructor work, and functions defined correctly	17 years ago
Matthew Wild	7f87706ee4	util.set: New util library	17 years ago