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 :
a = :aBcDeF
b = : "\u{e4 f6 fc}"
c = : ABCDEF
puts "Symbol a : #{a}\n\n"
puts "Symbol b : #{b}\n\n"
puts "Symbol c : #{c}\n\n\n\n"
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"
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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 :
a = :geeks
b = : "\u{e5 f6 f3}"
c = ""
puts "Symbol a : #{a}\n\n"
puts "Symbol b : #{b}\n\n"
puts "Symbol c : #{c}\n\n\n\n"
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"
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Output :
Symbol a : geeks
Symbol b : åöó
Symbol c :
Symbol a empty? form : false
Symbol b empty? form : false
Symbol c empty? form : true
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