Ruby | Symbol === function

Ruby | Symbol empty? function

Last Updated : 10 Dec, 2019

Symbol#empty?() : empty?() is a Symbol class method which checks whether the symbol is empty.

Syntax: Symbol.empty?()

Parameter: Symbol values

Return: true – if symbol is empty otherwise return false

Example #1 :

# Ruby code for Symbol.empty?() method 
  
# declaring Symbol  
a = :aBcDeF
  
# declaring Symbol 
b = :"\u{e4 f6 fc}"
  
# declaring Symbol 
c = :ABCDEF
  
# Symbol  
puts "Symbol a : #{a}\n\n"
puts "Symbol b : #{b}\n\n"
puts "Symbol c : #{c}\n\n\n\n"
  
  
# empty? form  
puts "Symbol a empty? form : #{a.empty?}\n\n"
puts "Symbol b empty? form : #{b.empty?}\n\n"
puts "Symbol c empty? form : #{c.empty?}\n\n"

Output :

Symbol a : aBcDeF

Symbol b : äöü

Symbol c : ABCDEF



Symbol a empty? form : false

Symbol b empty? form : false

Symbol c empty? form : false

Example #2 :

# Ruby code for Symbol.empty?() method 
  
# declaring Symbol  
a = :geeks
  
# declaring Symbol 
b = :"\u{e5 f6 f3}"
  
# declaring Symbol 
c = ""
  
# Symbol  
puts "Symbol a : #{a}\n\n"
puts "Symbol b : #{b}\n\n"
puts "Symbol c : #{c}\n\n\n\n"
  
  
# empty? form  
puts "Symbol a empty? form : #{a.empty?}\n\n"
puts "Symbol b empty? form : #{b.empty?}\n\n"
puts "Symbol c empty? form : #{c.empty?}\n\n"

Output :

Symbol a : geeks

Symbol b : åöó

Symbol c : 



Symbol a empty? form : false

Symbol b empty? form : false

Symbol c empty? form : true

Ruby | Symbol === function

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