Ruby | Hash select!() method

Ruby | Hash value? method

Last Updated : 02 Dec, 2021

Hash#value?() is a Hash class method which checks whether the argumented ‘value’ is present in the array or not.

Syntax: Hash.value?()
Parameter: Hash value?
Return: true – if argumented ‘value’ is present in the array otherwise return false

Example #1 :

Ruby

# Ruby code for Hash.value?() method
 
# declaring Hash value
a = {a:100, b:200}
 
# declaring Hash value
b = {a:100, c:300, b:200}
 
# declaring Hash value
c = {a:100}
 
 
# value? Value
puts "Hash a value? form : #{a.value?(200)}\n\n"
 
puts "Hash b value? form : #{b.value?(100)}\n\n"
 
puts "Hash c value? form : #{c.value?(300)}\n\n"

Output :

Hash a value? form : true

Hash b value? form : true

Hash c value? form : false

Example #2 :

Ruby

# Ruby code for Hash.value?() method
 
# declaring Hash value
a = { "a" => 100, "b" => 200 }
 
# declaring Hash value
b = {"a" => 100}
 
# declaring Hash value
c = {"a" => 100, "c" => 300, "b" => 200}
 
 
# value? Value
puts "Hash a value? form : #{a.value?(200)}\n\n"
 
puts "Hash b value? form : #{b.value?(200)}\n\n"
 
puts "Hash c value? form : #{c.value?(300)}\n\n"

Output :

Hash a value? form : true

Hash b value? form : false

Hash c value? form : true

Ruby | Hash select!() method

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Kirti_Mangal

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