红宝石 | StringScanner getch函数

StringScanner#getch() : getch()是一个 StringScanner 类方法，它返回 StringScanner 上指针的字节。

Syntax: StringScanner.getch()

Parameter: StringScanner values

Return: the byte of pointer on the StringScanner.

示例 #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

示例 #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