3.0 Feature Set

[jackfirth]

Definitely include:

• [x] struct-nested-lens
• [ ] struct-pick
• [ ] lens-join/struct
• [x] set-filter-lens
• [x] mapper-lens
• [x] vector-mapper-lens
• [x] struct-lenses-out
• [x] Sublist lenses
• [ ] Substring lenses
• [ ] Substream lenses
• [ ] Subvector lenses
• [ ] Take/drop list lenses
• [ ] Take/drop string lenses
• [ ] Take/drop stream lenses
• [ ] Take/drop vector lenses
• [x] string-trim-lens