Ruby 符号 upcase函数
Symbol#upcase() : upcase() 是Symbol类的一个方法,用于返回符号对象的大写字母表示。
语法。符号.upcase()
参数。符号值
返回:符号对象的大写字母表示法。
例子 #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"
输出:
Symbol a : aBcDeF
Symbol b : äöü
Symbol c : ABCDEF
Symbol a upcase form : ABCDEF
Symbol b upcase form : äöü
Symbol c upcase form : ABCDEF
例子 #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"
输出:
Symbol a : geeks
Symbol b : åöó
Symbol c : GEEKS
Symbol a upcase form : GEEKS
Symbol b upcase form : åöó
Symbol c upcase form : GEEKS