Ruby | Array collect() operation
Array#collect() : collect() is an Array class method which invokes the argument block once for each element of the array. A new array is returned which has the value returned by the block.
Syntax: Array.collect() Parameter: Arrays in which we want elements to be invoked Return: array with all the envoked elements
Code #1 : Example for collect() method
# Ruby code for collect() method # declaring arraya = [1, 2, 3, 4] # invoking block for each elementputs "collect a : #{a.collect {|x| x + 1 }}\n\n" puts "collect a : #{a.collect {|x| x - 5*7 }}\n\n" |
Output :
collect a : [2, 3, 4, 5] collect a : [-34, -33, -32, -31]
Code #2 : Example for collect() method
# Ruby code for collect() method # declaring arraya = ["cat", "rat", "geeks"] # invoking block for each elementputs "collect a : #{a.collect {|x| x + "!" }}\n\n" puts "collect a : #{a.collect {|x| x + "_at" }}\n\n" |
Output :
collect a : ["cat!", "rat!", "geeks!"] collect a : ["cat_at", "rat_at", "geeks_at"]
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