ERROR: UnusedAssignment - input.hack:15:5 - Assignment to $a is unused
ERROR: UnusedAssignmentStatement - input.hack:16:5 - Assignment to $b is unused, and this expression has no effect
ERROR: UnusedPipeVariable - input.hack:16:10 - The pipe data in this expression is not used anywhere
ERROR: UnusedAssignment - input.hack:17:5 - Assignment to $c is unused
ERROR: UnusedPipeVariable - input.hack:17:10 - The pipe data in this expression is not used anywhere
ERROR: UnusedAssignment - input.hack:18:5 - Assignment to $a is unused
ERROR: UnusedAssignmentStatement - input.hack:19:5 - Assignment to $b is unused, and this expression has no effect
ERROR: UnusedPipeVariable - input.hack:19:10 - The pipe data in this expression is not used anywhere
ERROR: UnusedAssignment - input.hack:20:5 - Assignment to $c is unused
ERROR: UnusedPipeVariable - input.hack:20:10 - The pipe data in this expression is not used anywhere
ERROR: UnusedAssignment - input.hack:21:5 - Assignment to $a is unused
ERROR: UnusedAwaitable - input.hack:22:5 - Assignment to awaitable $b is unused
ERROR: UnusedPipeVariable - input.hack:22:10 - The pipe data in this expression is not used anywhere
ERROR: UnusedAssignment - input.hack:23:5 - Assignment to $c is unused
ERROR: UnusedPipeVariable - input.hack:23:10 - The pipe data in this expression is not used anywhere
