C and C++ Should Add This Feature: Self-destructive Pointer
July 4, 2023•176 words
Imagine a function with 10 pointers and 5 locations of return statement, this results in writing 50 lines to delete the pointers. A syntax for self-destructive pointer should be added into C and C++ languages, just add a tilde ~ in front of variable declaration and it is destroyed at any return or at the end of function.
// Example
void func(){
~foo* My_Var1 = new foo(); // Self-destructive
~bar* My_Var2 = new bar(); // Self-destructive
foobar* My_Var3 = new foobar(); // Not self-destructive
barfoo* My_Var4 = new barfoo(); // Not self-destructive
if (){
do_something();
// Work-around:
goto ret;
// // These can be omitted with self-des pointers
// delete My_Var1;
// delete My_var2;
return;
}
if (){
do_something();
// Work-around:
goto ret;
// // These can be omitted with self-des pointers
// delete My_Var1;
// delete My_var2;
return;
}
else{
do_something();
// Work-around:
goto ret;
// // These can be omitted with self-des pointers
// delete My_Var1;
// delete My_var2;
return;
}
ret:
// // These can be omitted with self-des pointers
// delete My_Var1;
// delete My_Var2;
}