···11# Let's Lens
2233-
33+
4455Let's Lens presents a series of exercises, in a similar format to
66-[the NICTA functional programming course material](http://github.com/NICTA/course).
66+[the Data61 functional programming course material](http://github.com/data61/fp-course).
77The subject of the exercises is around the concept of lenses, initially proposed
88by Foster et al., to solve the view-update problem of relational databases.
99