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greathmaster/ruby-string-assignments-references-example.rb

Created December 27, 2019 23:11
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Ruby String references example
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ruby-string-assignments-references-example.rb
#Ruby string references clarification
#Mutation of a string
x = "Hello"
y = x
x << " WORLD" #changing the underlying item in memory
puts x #Hello WORLD
puts y #Hello WORLD
a = "Hello"
b = a
a += " WORLD" #NOT changing the underlying item in memory
puts a #Hello WORLD
puts b #Hello
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