+ check for errors
+ autofd
+ variable
+ variable example
+ expression.h dependency
+ unary_expression
+ binary_expression
* memory leak fix
+ cont_epollhup
* changed buffer::current_size from int to var<int>
+ limited read
+ write to void*
+ default constructor
+ handle change
+ different template parameters for result value and operation arguments
+ copy
+ operator*
* changed timerfd type from int to autofd
+ copy example