Commit 2020-10-18 01:46 f9908388
View on Github →chore(data/finsupp/basic): rename type variables (#4624)
Use M, N, P for types with has_zero, add_monoid, or
add_comm_monoid structure, and R, S for types with at least
a semiring instance.
API change: single_add_erase and erase_add_single now use explicit arguments.