哇呜哇呜呀咦耶 naosense

## ParserCombinator.scala
package playground

import scala.util.{Failure, Success, Try}

object ParserCombinator {

  def theLetterA(input: String): Try[(String, Unit)] = {
    input.toList match {
      case first :: rest if first == 'a' => Success((rest.mkString, ()))
      case _ => Failure(ParseError(input))

## github-id.html
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<html lang='en-US'>
<head>
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    <link rel='stylesheet' href='https://pingao777.github.io/github-gazer/assets/css/style.css?v=83f9436b2e1b1a48c5227dc3037dbc5f1a9b5db1'>
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## Java泛型.md

      
        
          
            
              
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                naosense
                / Java泛型.md
            
            
              Last active
              November 12, 2017 13:20
            
              
                关于泛型的一点总结
              
          
        
      
        
  
      
    泛型的使用主要有两种：泛型类和泛型方法
泛型类
public class GeneralClass<T> {
...
}
Substitution Principle
	package playground

	import scala.util.{Failure, Success, Try}

	object ParserCombinator {

	def theLetterA(input: String): Try[(String, Unit)] = {
	input.toList match {
	case first :: rest if first == 'a' => Success((rest.mkString, ()))
	case _ => Failure(ParseError(input))
	<!DOCTYPE html>
	<html lang='en-US'>
	<head>
	<meta charset='utf-8'>
	<meta http-equiv='X-UA-Compatible' content='IE=edge'>
	<meta name='viewport' content='width=device-width, initial-scale=1'>
	<link rel='stylesheet' href='https://pingao777.github.io/github-gazer/assets/css/style.css?v=83f9436b2e1b1a48c5227dc3037dbc5f1a9b5db1'>
	<!-- Begin Jekyll SEO tag v2.5.0 -->
	<title>Let the world witness the history of your repository \| github-gazer</title>
	<meta name='generator' content='Jekyll v3.7.3.1'/>