fn nullConstAssumeCapacity(self: *Builder, ty: Type) Constant
fn nullConstAssumeCapacity(self: *Builder, ty: Type) Constant { assert(self.type_items.items[@backingInt(ty)].tag == .pointer); const result = self.getOrPutConstantNoExtraAssumeCapacity( .{ .tag = .null, .data = @backingInt(ty) }, ); return result.constant; }