Ruby | Hash clear() function
Last Updated :
07 Jan, 2020
clear() is an Hash class method which removes all the Hash elements from it.
Syntax: Hash.clear()
Parameter: Hashs to clear off
Return: Hash with all elements cleared
Example #1:
a = {a: 100 , b: 200 }
b = {a: 100 , c: 300 , b: 200 }
c = {a: 100 }
puts "clear a : #{a.clear()}\n\n"
puts "clear b : #{b.clear()}\n\n"
puts "clear b : #{c.clear()}\n\n"
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Output :
clear a : {}
clear b : {}
clear b : {}
Example #2:
a = { "a" => 100 , "b" => 200 }
b = { "a" => 100 }
c = { "a" => 100 , "c" => 300 , "b" => 200 }
puts "clear a : #{a.clear()}\n\n"
puts "clear b : #{b.clear()}\n\n"
puts "clear b : #{c.clear()}\n\n"
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Output :
clear a : {}
clear b : {}
clear b : {}
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