How to check if a certain value is contained in an array in Ruby? For example, I want to know if 'A' is present in the ['A','B','C'] vector.
Check if a value is present in an array in Ruby
3
asked by anonymous 11.02.2015 / 22:57
1 answer
2
Use the include? method.
a = [ "a", "b", "c" ]
a.include?("b") #=> true
a.include?("z") #=> false
11.02.2015 / 22:57