Ruby StringScanner getch函数

StringScanner#getch() : getch()是StringScanner类的一个方法，用于返回StringScanner上指针的字节数。

语法。StringScanner.getch()

参数。StringScanner的值

返回：StringScanner上指针的字节数。

例子 #1 :

# Ruby code for StringScanner.getch() method
  
# loading StringScanner
require 'strscan'
  
# declaring StringScanner 
c = StringScanner.new("Mon Sep 12 2018 14:39")
  
# getch() method
puts "String Scanner getch form : #{c.getch()}\n\n"
  
# getch() method
puts "String Scanner getch form : #{c.getch()}\n\n"
  
# getch() method
puts "String Scanner getch form : #{c.getch()}\n\n"

输出:

String Scanner getch form : M

String Scanner getch form : o

String Scanner getch form : n

例子 #2 :

# Ruby code for StringScanner.getch() method
  
# loading StringScanner
require 'strscan'
  
# declaring StringScanner 
c = StringScanner.new("hellogeeks")
  
# getch() method
puts "String Scanner getch form : #{c.getch()}\n\n"
  
# getch() method
puts "String Scanner getch form : #{c.getch()}\n\n"
  
# getch() method
puts "String Scanner getch form : #{c.getch()}\n\n"

输出:

String Scanner getch form : h

String Scanner getch form : e

String Scanner getch form : l