红宝石 | StringScanner 休息?函数
StringScanner#rest?() : rest?()是一个 StringScanner 类方法,用于检查字符串中是否有更多数据
Syntax: StringScanner.rest?()
Parameter: StringScanner values
Return: true if there is more data in the string otherwise return false
示例 #1:
# Ruby code for StringScanner.rest?() method
# loading StringScanner
require 'strscan'
# declaring StringScanner
c = StringScanner.new("Mon Sep 12 2018 14:39")
# rest?() method
c.pos = 2
puts "String Scanner rest? form : #{c.rest?}\n\n"
# rest?() method
c.pos = 7
puts "String Scanner rest? form : #{c.rest?}\n\n"
输出 :
String Scanner rest? form : true
String Scanner rest? form : true
示例 #2:
# Ruby code for StringScanner.rest?() method
# loading StringScanner
require 'strscan'
# declaring StringScanner
c = StringScanner.new("hellogeeks")
# rest?() method
c.pos = 2
puts "String Scanner rest? form : #{c.rest?}\n\n"
# rest?() method
c.pos = 3
puts "String Scanner rest? form : #{c.rest?}\n\n"
输出 :
String Scanner rest? form : true
String Scanner rest? form : true