Enumeration in Ruby

each docs

select docs

map docs

reduce docs

each_cons docs

each_slice docs

all? docs

any? docs

count docs

each docs

find docs

map docs

max docs

max_by docs

min docs

min_by docs

minmax docs

minmax_by docs

none? docs

one? docs

reverse_each docs

select docs

sort docs

sort_by docs

take docs

Chaining enumerable methods