我试图将SICP的meta-circular evaluator转换为Clojure。在setup-environment对extend-environment的调用不会编译,因为我收到错误“试图调用未绑定的fn”。下面是部分代码: (... loads of methods for creating and managing environment list)
(def primitive-
我写了一个计算像正弦不同功能的项目,MCM等不使用现有的包像Java中 数学,现在我想在一个字符串,然后打印的形式从用户的表达出来的结果 像: import java.util.Scanner;
public class Phase2main {
public static void main(String[] args) {
Scanner s = new Scanner(S
public class Saiyan extends PlayableFighter {
private boolean transformed;
public Saiyan(....)
{
:
:
}
public void isTransformed(boolean x){
transformed=x;
}
public boolean isTrans
重启这是我的代码: public static void countTextViewTravelMode(final Integer value, final TextView myView, final CrudStateCallback back){
Integer begin = 0;
try {
begin = Integer.parseInt(myView