Sat public review Command A (Zal 3) #16
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added 4 commits
April 3, 2021 12:22
onetakeone
reviewed
Apr 6, 2021
| sets = towers.map do |tower| | ||
| result = [] | ||
| column = Array.new(@tower_size, " ") | ||
| column.each_index do |i| |
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each_with_object method might be used in cases you want to fill new Array/Hash by iterating some data,
| result[i] = tower[i] | ||
| else | ||
| result[i] = column[i] | ||
| end |
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Nice practice to use oneliners like result[i] = tower[i] ? tower[i] : column[i]
| @@ -0,0 +1,6 @@ | |||
| require_relative './towers_of_hanoi' | |||
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| if __FILE__ == $PROGRAM_NAME | |||
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As I remember we agreed that this checkup would be excessive
| end | ||
| @towers = @towers.map{|column| column.reject{|x| x == " "} } | ||
| @sets | ||
| self.towers = towers.map{|column| column.reject{|x| x == " "} } |
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In case of a real project with larger classes and significant amount of variables and methods self.towers = towers might look confusing. In future try to find more clear way of assignment )
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