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Feature #11653

Updated by nobu (Nobuyoshi Nakada) almost 4 years ago

Procs can be called the same way a hash is with `[]`. But a Hash is not mappable as a Proc.

~~~ruby


my_hash = ->key{{
a: 1, b: 2, c: 3, d: 4, e: 5, f: 6
}[key]}

my_hash[:a]
# => 1

[:e, :a, :b, :f, :c, :d].map(&my_hash) # hash is now mappable
# => [5, 1, 2, 6, 3, 4]
~~~


This seems so straight forward I believe it should be part of the language itself with the `.to_proc` .to_proc method call.

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