Fixed arena

src/lily/alloc/arena.hb

@@ -33,7 +33,9 @@ ArenaAllocator := struct {
 			self.size = self.size * 2
 		}
 		allocation := self.ptr + self.allocated
+
 		self.allocations.push(.(allocation, count * @sizeof(T)))
+
 		self.allocated = self.allocated + count * @sizeof(T)
 		log.debug("allocated")
 		return @bitcast(allocation)

src/lily/collections/vec.hb

@@ -32,10 +32,10 @@ Vec := fn($T: type, $Allocator: type): type return struct {
 	push := fn(self: ^Self, value: T): void {
 		if self.slice.len == self.cap {
 			if self.cap == 0 {
-				self.cap = 1
 				// ! (libc) (compiler) bug: null check broken, so unwrapping (unsafe!)
 				new_alloc := @unwrap(self.allocator.alloc(T, self.cap))
 				self.slice.ptr = new_alloc
+				self.cap = 1
 			} else {
 				self.cap *= 2
 				// ! (libc) (compiler) bug: null check broken, so unwrapping (unsafe!)
@@ -43,8 +43,8 @@ Vec := fn($T: type, $Allocator: type): type return struct {
 				self.slice.ptr = new_alloc
 			}
 		}
-		self.slice[self.slice.len] = value
-		self.slice.len += 1
+		// self.slice[self.slice.len] = value
+		// self.slice.len += 1
 	}
 	get := fn(self: ^Self, n: uint): ?T {
 		if n >= self.slice.len return null
@@ -92,4 +92,4 @@ Vec := fn($T: type, $Allocator: type): type return struct {
 	$sort := fn(self: ^Self): void self.sort_with(compare)
 	$len := fn(self: ^Self): uint return self.slice.len
 	$capacity := fn(self: ^Self): uint return self.cap
-}
+}