Created
May 6, 2018 15:06
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Don't Repeat Yourself
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def random_person | |
names = %w(Mike Zoe Adam Sarah) | |
jobs = %w(Astronaut Engineer Painter Day-Trader Theoretical-Physicist) | |
Person.new(random_item(names), random_item(jobs)) | |
end |
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def random_index(list) | |
rand(4) | |
end | |
def random_item(list) | |
list[random_index(list)] | |
end |
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def random_person | |
names = %w(Mike Zoe Adam Sarah) | |
jobs = { | |
stem: %w(Astronaut Engineer Theoretical-Physicist), | |
finance: %w(Day-Trader), | |
arts: %w(Painter) | |
} | |
Person.new(random_item(names), random_item(jobs)) | |
end |
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def random_person | |
# ... | |
pets = [ | |
{ type: 'Dog', name: 'Fido'}, | |
{ type: 'Cat', name: 'Whiskers' }, | |
{ type: 'Horse', name: 'Thunder' } | |
] | |
Person.new(random_item(names), random_item(jobs), random_item(pets)) | |
end |
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class Person | |
def initialize(name, job) | |
@name = name | |
@job = job | |
end | |
def to_s | |
"Person named #{@name}, works as a #{@job}" | |
end | |
end | |
def random_person | |
names = %w(Mike Zoe Adam Sarah) | |
jobs = %w(Astronaut Engineer Painter Day-Trader) | |
Person.new(names[rand(4)], jobs[rand(4)]) | |
end | |
def main | |
10 | |
.times | |
.collect { random_person } | |
.each { |p| puts p } | |
end | |
main |
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def random_index | |
rand(4) | |
end | |
def random_person | |
names = %w(Mike Zoe Adam Sarah) | |
jobs = %w(Astronaut Engineer Painter Day-Trader) | |
Person.new(names[random_index], jobs[random_index]) | |
end |
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def random_item(list) | |
list[random_index] | |
end | |
def random_person | |
names = %w(Mike Zoe Adam Sarah) | |
jobs = %w(Astronaut Engineer Painter Day-Trader) | |
Person.new(random_item(names), random_item(jobs)) | |
end |
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def random_index(list) | |
rand(list.size) | |
end |
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def random_item(list) | |
if list.is_a?(Array) | |
list[random_index(list)] | |
else | |
jobs = list.map {|_, values| values}.flatten | |
jobs[random_index(jobs)] | |
end | |
end |
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