interval

Creates an interval for the given arguments.

Signature:

Insection.interval(p) => Insection.interval('[', p, p, ']');

Insection.interval(start, end) => Insection.interval('[', start, end, ']');

Insection.interval(startType, start, end, endType);

startType can be either [ or (. endType can be either ] or ).

Example:

expect(Insection.interval(4).toString(), 'to be', '[4;4]');

expect(Insection.interval(4, 5).toString(), 'to be', '[4;5]');

expect(Insection.interval('[', 4, 5, ']').toString(), 'to be', '[4;5]');

expect(Insection.interval('[', 4, 5, ')').toString(), 'to be', '[4;5)');

expect(Insection.interval('(', 4, 5, ']').toString(), 'to be', '(4;5]');

expect(Insection.interval('(', 4, 5, ')').toString(), 'to be', '(4;5)');