php-ds /
polyfill
| C | ↗ | B | Set improved |
| ⇢ | A | Sequence::reverseRange() added | |
| ⇢ | A | Sequence::normalizeRotations() added | |
| B | ↗ | A | Set::filter() improved |
| B | ↗ | A | Sequence::rotate() improved |
| B | ↗ | A | Set::xor() improved |
