shapeless.ops.hlist
Type class supporting replacement of the first element of type U from this HList with the result of its transformation via a given function into a new element of type V. Available only if this HList contains an element of type U.
HList
U
Type class supporting replacement of the first element of type U from this
HList
with the result of its transformation via a given function into a new element of type V. Available only if thisHList
contains an element of typeU
.