Symbol#upcase():upcase()是Symbol類方法,它返回符號對象的大寫表示形式。
用法:Symbol.upcase()
參數:符號值
返回:符號對象的大寫表示形式。
示例1:
# Ruby code for Symbol.upcase() 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"
# upcase form
puts "Symbol a upcase form : #{a.upcase}\n\n"
puts "Symbol b upcase form : #{b.upcase}\n\n"
puts "Symbol c upcase form : #{c.upcase}\n\n"
輸出:
Symbol a : aBcDeF Symbol b : äöü Symbol c : ABCDEF Symbol a upcase form : ABCDEF Symbol b upcase form : äöü Symbol c upcase form : ABCDEF
示例2:
# Ruby code for Symbol.upcase() 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"
# upcase form
puts "Symbol a upcase form : #{a.upcase}\n\n"
puts "Symbol b upcase form : #{b.upcase}\n\n"
puts "Symbol c upcase form : #{c.upcase}\n\n"
輸出:
Symbol a : geeks Symbol b : åöó Symbol c : GEEKS Symbol a upcase form : GEEKS Symbol b upcase form : åöó Symbol c upcase form : GEEKS
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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 upcase 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。