@ (BitSet)

Checks if an index is present in a bitset.

Arguments

is an integer number, zero-based. If the index is out of range, an error will occur.
is the bitset to check.

Return values

is TRUE if the element is set, FALSE otherwise.

Complexity

Constant

Example

"sl/bitSet" useFile a: (1 3 5) 8 makeBitSet; 2 a @ print "," print 3 a @ print
Output: