Truthiness
Integers
An integer is truthy if it is equal to 1.
!!0 # result is false
!!1 # result is true
!!2 # result is false
String
A string is truthy if it is not empty.
!!"" # result is false
!!"Hello" # result is true
An integer is truthy if it is equal to 1.
!!0 # result is false
!!1 # result is true
!!2 # result is false
A string is truthy if it is not empty.
!!"" # result is false
!!"Hello" # result is true