-
-
Save guizmaii/0eafea869a268122dc3000a53cd25039 to your computer and use it in GitHub Desktop.
Ruby will destructure objects that are not arrays, but respond to #to_ary
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| S=Struct.new(:a,:b) | |
| ss = [S.new(1,2), S.new(3,4)] | |
| p ss.map{|a,b| "#{a} #{b}" } | |
| # => ["#<struct S a=1, b=2> ", "#<struct S a=3, b=4> "] | |
| class S ; def to_ary ; to_a ; end ; end | |
| p ss.map{|a,b| "#{a} #{b}" } | |
| # => ["1 2", "3 4"] |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment