我試圖將SICP的meta-circular evaluator轉換爲Clojure。在setup-environment對extend-environment的調用不會編譯,因爲我收到錯誤「試圖調用未綁定的fn」。下面是部分代碼: (... loads of methods for creating and managing environment list)
(def primitive-
我寫了一個計算像正弦不同功能的項目,MCM等不使用現有的包像Java中 數學,現在我想在一個字符串,然後打印的形式從用戶的表達出來的結果 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
重啓這是我的代碼: public static void countTextViewTravelMode(final Integer value, final TextView myView, final CrudStateCallback back){
Integer begin = 0;
try {
begin = Integer.parseInt(myView