VC++里面，Stack怎么写？我写了个，好多错！ 帮忙看看！ //tristStack.h #ifndef _TRISTSTACK_H_INCLUDE #define _TRISTSTACK_H_INCLUDE #include "Trist.h" class tristStack { public: tristStack(); ~tristStack(); void pushTrist (Trist t); Trist popTrist (); bool isEmpty(); int getSize(); Trist head; tristStack next; int size; }; #endif //tristStack.cpp #include "tristStack.h" tristStack::tristStack() { head = null; next = null; size=0; } tristStack::~tristStack() { } bool tristStack::isEmpty () { if (size == 0) return true; return false; } int tristStack::getSize() { return size; } void tristStack::pushTrist(Trist t){ next = this; head = t; size++; } Trist tristStack::popTrist() { Trist temp = head; head = next.head; next = next.next; size--; return temp; } //error message when built --------------------Configuration: Delaunay2D - Win32 Debug-------------------- Compiling... computeDT.cpp d:\urop\myproj\delaunayvisualiser\delaunay2d\triststack.h(19) : error C24 (more...)