Hash#has_value?() is a Hash class method which checks whether the given value is present in hash.
Syntax: Hash.has_value?()
Parameter: Hash values
Return: true – if given value is present in hash otherwise return false
Example #1 :
a = {a:100, b:200}
b = {a:100, c:300, b:200}
c = {a:100}
puts "Hash a has_value? form : #{a.has_value?(200)}\n\n"
puts "Hash b has_value? form : #{b.has_value?(10)}\n\n"
puts "Hash c has_value? form : #{c.has_value?(100)}\n\n"
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Output :
Hash a has_value? form : true
Hash b has_value? form : false
Hash c has_value? form : true
Example #2 :
a = { "a" => 100, "b" => 200 }
b = {"a" => 100}
c = {"a" => 100, "c" => 300, "b" => 200}
puts "Hash a has_value? form : #{a.has_value?(200)}\n\n"
puts "Hash b has_value? form : #{b.has_value?(10)}\n\n"
puts "Hash c has_value? form : #{c.has_value?(100)}\n\n"
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Output :
Hash a has_value? form : true
Hash b has_value? form : false
Hash c has_value? form : true
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Last Updated :
07 Jan, 2020
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