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2 Commits

Author SHA1 Message Date
Karoy Lorentey
77dbc5b410 [test] Remove _Bitset tests 2018-09-22 02:04:11 +01:00
Karoy Lorentey
1848b37300 [stdlib] Add bitset constructs 
Bitsets implement sorted sets over nonnegative integers up to a predetermined maximum value.

These are intended to replace _UnsafeBitMap. The latter will be removed once its usages are eliminated.

- _UnsafeBitset.Word is the underlying abstraction, implementing a bitset using a single UInt value.
- _UnsafeBitset is a view over a contiguous range of words.
- _Bitset is a COW value type implementing the same construct.
 2018-09-22 02:04:04 +01:00