test: 重构 Student 类并简化 Main 函数

playground/Demo/Demo32/Main.snow

@@ -1,56 +1,55 @@
 module: main
-	struct: Student extends Person
+    import: os
-	    fields:
-	        declare studentId: int
-	    init:
-	        params:
-	            name: int
-	            studentId: int
-	        body:
-	            super(name)
-	            this.studentId = studentId
-	        end body
-	    end init
 
-	    // 新增：无参数构造
+    struct: Student
-	    init:
+        fields:
-	        params:
+            declare name: int
-	        body:
+            declare studentId: int
-	            super(0)
-	            this.studentId = 0
-	        end body
-	    end init
 
-	    // 新增：只带 name
+        init:
-	    init:
+            params:
-	        params:
+                name: int
-	            name: int
+                studentId: int
-	        body:
+            body:
-	            super(name)
+                this.name = name
-	            this.studentId = -1
+                this.studentId = studentId
-	        end body
+            end body
-	    end init
+        end init
 
-	    function: getStudentId
+        init:
-	        returns: int
+            params:
-	        body:
+            body:
-	            return this.studentId
+                this.name = 0
-	        end body
+                this.studentId = 0
-	    end function
+            end body
-	end struct
+        end init
 
-	function: main
+        init:
-	    returns: void
+            params:
-	    body:
+                name: int
-	        declare a: Student = new Student(123, 1001)
+            body:
-	        declare b: Student = new Student()
+                this.name = name
-	        declare c: Student = new Student(88)
+                this.studentId = -1
-	        os.println(a.getName())      // 123
+            end body
-	        os.println(a.getStudentId()) // 1001
+        end init
-	        os.println(b.getName())      // 0
+
-	        os.println(b.getStudentId()) // 0
+        function: getStudentId
-	        os.println(c.getName())      // 88
+            returns: int
-	        os.println(c.getStudentId()) // -1
+            body:
-	    end body
+                return this.studentId
-	end function
+            end body
-end module
+        end function
+    end struct
+
+    function: main
+        returns: void
+        body:
+            declare a: Student = new Student(123, 1001)
+            declare b: Student = new Student()
+            declare c: Student = new Student(88)
+            println(a.getStudentId())
+            println(b.getStudentId())
+            println(b.getStudentId())
+        end body
+    end function
+end module