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class Game:
	StateManager sm;
 
 
	update():
		sm.update();
 
 
 
 
class StateManager:
	vector<State> states;
 
	update():
		states.back().update();
 
 
	pop():
		if(states.size() == 1)
			exitGame();
		else
			states.pop();
 
 
 
class DafuqState : State:
	StateManager* manager;
 
	DafuqState(StateManager* manager) : State(manager) {...}
 
	update():
		// update, draw, whutever
		switch(keypress)
		{
			case ESC:
				manager->pop();
			case "i":
				// do...
		}
 
 
 
 
 
main:
	Game g;
 
	while(isRunning()):
		g.update();

prog.cpp:5: error: expected class-name before ‘sm’
prog.cpp:5: error: expected `{' before ‘sm’
prog.cpp:5: error: invalid type in declaration before ‘;’ token
prog.cpp:8: error: ISO C++ forbids declaration of ‘update’ with no type
prog.cpp: In function ‘int update()’:
prog.cpp:8: error: only constructors take base initializers
prog.cpp:9: error: expected `(' before ‘.’ token
prog.cpp:9: error: expected `{' before ‘.’ token
prog.cpp: At global scope:
prog.cpp:9: error: expected unqualified-id before ‘.’ token
prog.cpp:15: error: expected template-name before ‘<’ token
prog.cpp:15: error: expected `{' before ‘<’ token
prog.cpp:15: error: expected unqualified-id before ‘<’ token
prog.cpp:17: error: ISO C++ forbids declaration of ‘update’ with no type
prog.cpp: In function ‘int update()’:
prog.cpp:17: error: redefinition of ‘int update()’
prog.cpp:8: error: ‘int update()’ previously defined here
prog.cpp:17: error: only constructors take base initializers
prog.cpp:18: error: expected `(' before ‘.’ token
prog.cpp:18: error: expected `{' before ‘.’ token
prog.cpp: At global scope:
prog.cpp:18: error: expected unqualified-id before ‘.’ token
prog.cpp:21: error: ISO C++ forbids declaration of ‘pop’ with no type
prog.cpp: In function ‘int pop()’:
prog.cpp:21: error: only constructors take base initializers
prog.cpp:22: error: expected identifier before ‘if’
prog.cpp:22: error: expected `(' before ‘if’
prog.cpp:22: error: expected `{' before ‘if’
prog.cpp: At global scope:
prog.cpp:22: error: expected unqualified-id before ‘if’
prog.cpp:24: error: expected unqualified-id before ‘else’
prog.cpp:29: error: expected class-name before ‘:’ token
prog.cpp:29: error: expected `{' before ‘:’ token
prog.cpp:29: error: expected unqualified-id before ‘:’ token
prog.cpp:32: error: expected `)' before ‘*’ token
prog.cpp:34: error: ISO C++ forbids declaration of ‘update’ with no type
prog.cpp: In function ‘int update()’:
prog.cpp:34: error: redefinition of ‘int update()’
prog.cpp:8: error: ‘int update()’ previously defined here
prog.cpp:34: error: only constructors take base initializers
prog.cpp:36: error: expected identifier before ‘switch’
prog.cpp:36: error: expected `(' before ‘switch’
prog.cpp:36: error: expected `{' before ‘switch’
prog.cpp: At global scope:
prog.cpp:36: error: expected unqualified-id before ‘switch’
prog.cpp:48: error: function definition does not declare parameters
prog.cpp:51: error: expected unqualified-id before ‘while’

Standard output is empty