liuhuajin

def too_big(limit):
	def compare(x):
		return x > limit
	return compare
f = too_big(100)
print f(100)
print f(101)

liuhuajin

import java.util.*;

//环境类：用于存储和操作需要解释的语句，在本实例中每一个需要解释的单词可以称为一个动作标记(Action Token)或命令
class Context {
	private StringTokenizer tokenizer; //StringTokenizer类，用于将字符串分解为更小的字符串标记(Token)，默认情况下以空格作为分隔符
	private String currentToken; //当前字符串标记
	
	public Context(String text) {
		tokenizer = new StringTokenizer(text); //通过传入的指令字符串创建StringTokenizer对象
		nextToken();

liuhuajin

Set = {}

function Set.new(t)
	local set = {}
	setmetatable(set, Set.mt)
	for _, l in ipairs(t) do set[l] = true end
	return set
end

function Set.union(a, b)

liuhuajin

--defines a factorial function

function fact(n)
	if n == 0 then
		return 1
	else
		return n*fact(n-1)
	end
end

liuhuajin

#include<iostream>
using namespace std;

int main()
{
	cout <<　"this is the first use of gist." << endl; 
}