ruby cold cuts part 1

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Ruby Cold Cuts

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Ruby Cold CutsA Slice of Ruby Core & The Standard Library:

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Ruby Cold CutsA Slice of Ruby Core & The Standard Library:

Enumerating Enumerable

Friday, May 17, 13

Ruby Cold CutsA Slice of Ruby Core & The Standard Library:

Part I

Enumerating Enumerable

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• Dynamically Typed

• Interpreted

• “Pure”- Object Oriented

• Multi paradigm

• Memory Managed

• Geared for “developer happiness and productivity”

Ruby

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Enumerable

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module Enumerableclass Enumerator

!=

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Modules

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Enumerable

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Use Enumerable

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Where to find Enumerable methods?

http://ruby-doc.org/core-2.0/Enumerable.html

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What do we get with Enumerable?

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What do we get with Enumerable?• all?

• any?

• chunk

• collect

• collect_concat

• count

• cycle

• detect

• drop

• drop_while

• each_cons

• each_entry

• each_slice

• each_with_index

• each_with_object

• entries

• find

• find_all

• find_index

• first

• flat_map

• grep

• group_by

• include?

• inject

• map

• max

• max_by

• member?

• min

• min_by

• minmax

• minmax_by

• none?

• one?

• partition

• reduce

• reject

• reverse_each

• select

• slice_before

• sort

• sort_by

• take

• take_while

• to_a

• to_set

• zip

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#each

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#each_with_index

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#map | #collect

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#find | #detect

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#select | #reject

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#any? | #all? | #none? | #one?

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#partition

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#zip

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#min | #max | #minmax

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To Be Continued

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Next Week on...• Create your own class that uses Enumerable

• Arrays

• Hashs

• Sets

• and More!

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