(t snd_of_three) ; will evaluate to 20
If you're puzzled by having the triple to the left and the function that
(t snd_of_three) ; will evaluate to 20
If you're puzzled by having the triple to the left and the function that
is a package that takes a function for operating on its elements *as an
argument*, and returns *the result of* operating on its elements with that
function. In other words, the triple is a higher-order function.
is a package that takes a function for operating on its elements *as an
argument*, and returns *the result of* operating on its elements with that
function. In other words, the triple is a higher-order function.