Codegen change, remove typedefs, use standard

core_main.cpp

@@ -9,15 +9,10 @@ In the future
 
 - [ ] Cleanup
   - [ ] Remove tuple stuff or cleanup, in the future might replace it with a better implementation
-  - [ ] Add ability to do i: int = 0 inside for loops
+  - [ ] Add ability to do i: int = 0 inside for loops for i: int = 0, i < 10, i+=1
+  - [ ] Complicated c declaration generation
   - [ ] The fact that symbols from main file get introduced to the loaded files
         might be kind of confusing, need to watch out for that
-  - [ ] You can't alias Lambdas because they are not evaluated as constant.
-        I used a little simplification where lambdas and structs were marked as such
-        in parsing I think. BUT Structs work so it's maybe just a little fix of constant
-        propagation using Operands, where I will need to modify Operand of lambda to
-        be constant AND rewrite_const to not rewrite a lambda OR SOMETHING, maybe it's cool
-        dont know. BUT not sure if we wont need to rewrite the idea that Lambdas can be Decls.
 
 - [ ] Conditional compilation
 - [ ] Expand macros
@@ -157,6 +152,12 @@ For modules it's a bit different cause they should be distributed as valid.
 
 ## Done
 
+- [x] You can't alias Lambdas because they are not evaluated as constant.
+  I used a little simplification where lambdas and structs were marked as such
+  in parsing I think. BUT Structs work so it's maybe just a little fix of constant
+  propagation using Operands, where I will need to modify Operand of lambda to
+  be constant AND rewrite_const to not rewrite a lambda OR SOMETHING, maybe it's cool
+  dont know. BUT not sure if we wont need to rewrite the idea that Lambdas can be Decls.
 - [x] Operator Overloading
 - [x] '.' Operator doesn't handle expressions inside the dot chain, no good, so casts don't work
 - [x] Introduce List to reduce heap allocations and make it more arena friendly, can we get rid of heap completly?