Returns f
applied to the contents of as
if non-empty, otherwise, the zero element of the Monoid
for the type B
.
Returns f
applied to the contents of as
if non-empty, otherwise, the zero element of the Monoid
for the type B
.
Intersperse the element a
between each adjacent pair of elements in as
Intersperse the element a
between each adjacent pair of elements in as