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Define an empty map
ruby
map = {}
clojure
(def m {})
Define an unmodifiable empty map
ruby
map = {}.freeze
clojure
; Clojure maps are immutable
(def m {})
(def m {})
Define an initial map
Define the map
{circle:1, triangle:3, square:4}
ruby
shapes = {'circle'=>1, 'triangle'=>3, 'square'=>4}
shapes = Hash['circle', 1, 'triangle', 3, 'square', 4]
shapes = { :circle => 1, :triangle => 3, :square => 4 }
clojure
(def m '{circle 1 triangle 1 square 4})
