Ruby | Symbol empty? function Last Updated : 10 Dec, 2019 Summarize Comments Improve Suggest changes Share Like Article Like Report 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 # 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 # 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 Comment More infoAdvertise with us Next Article Ruby | Symbol empty? function M mayank5326 Follow Improve Article Tags : Ruby Ruby-Methods Ruby Symbol-class Similar Reads Ruby | Symbol casecmp function Symbol#casecmp() : casecmp() is a Symbol class method which checks for the case-insensitive version of Symbol Syntax: Symbol.casecmp() Parameter: Symbol values Return: the case-insensitive version of Symbol Example #1 : Ruby # Ruby code for Symbol.casecmp() method # declaring Symbol a = :aBcDeF # de 2 min read Ruby | Symbol =~ function Symbol#=~() : =~() is a Symbol class method which =~es the pattern with symbol. Syntax: Symbol.=~() Parameter: Symbol values Return: position - if pattern =~es the Symbol otherwise return nil Example #1 : Ruby # Ruby code for Symbol.=~() method # declaring Symbol a = :aBcDeF # declaring Symbol b = : 2 min read Ruby | Symbol == function Symbol#==() : ==() is a Symbol class method which compares two Symbol objects. Syntax: Symbol.==() Parameter: Symbol values Return: true if two Symbols are equal otherwise return false Example #1 : Ruby # Ruby code for Symbol.==() method # declaring Symbol a = :aBcDeF # declaring Symbol b = :"\ 2 min read Ruby | Symbol === function Symbol#===() : ===() is a Symbol class method which compares two Symbol objects. Syntax: Symbol.===() Parameter: Symbol values Return: true - if both the symbols are equal otherwise return false Example #1 : Ruby # Ruby code for Symbol.===() method # declaring Symbol a = :aBcDeF # declaring Symbol b 2 min read Ruby | Set empty?() function The empty?() is an inbuilt method in Ruby returns true if the set is empty or it returns false. Syntax: s1.empty?() Parameters: The function does not takes any parameter. Return Value: It returns a boolean value. It returns true if the set is empty or it returns false. Example 1: Ruby # Ruby program 1 min read Like