Symbol#===(): ===() 是一個 Symbol 類方法,它比較兩個 Symbol 對象。
用法:Symbol.===()
參數:符號值
Return: true - 如果兩個符號相等,否則返回 false
示例#1:
# Ruby code for Symbol.===() 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"
# === form
puts "Symbol a === form : #{a === c}\n\n"
puts "Symbol b === form : #{b === b}\n\n"
puts "Symbol c === form : #{c === a}\n\n"
輸出:
Symbol a : aBcDeF Symbol b : äöü Symbol c : ABCDEF Symbol a === form : false Symbol b === form : true Symbol c === form : false
示例#2:
# Ruby code for Symbol.===() method
# declaring Symbol
a = :geeks
# declaring Symbol
b = :"\u{e5 f6 f3}"
# declaring Symbol
c = :GEEKS
# Symbol
puts "Symbol a : #{a}\n\n"
puts "Symbol b : #{b}\n\n"
puts "Symbol c : #{c}\n\n\n\n"
# === form
puts "Symbol a === form : #{a === c}\n\n"
puts "Symbol b === form : #{b === b}\n\n"
puts "Symbol c === form : #{c === a}\n\n"
輸出:
Symbol a : geeks Symbol b : åöó Symbol c : GEEKS Symbol a === form : false Symbol b === form : true Symbol c === form : false
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注:本文由純淨天空篩選整理自mayank5326大神的英文原創作品 Ruby | Symbol === function。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。