Index of exceptions

Assert_failure [Stdlib]

Exception raised when an assertion fails.

Bad [Arg]

Functions in spec or anon_fun can raise Arg.Bad with an error message to reject invalid arguments.

Break [Sys]

Exception raised on interactive interrupt if Sys.catch_break is enabled.

Continuation_already_resumed [Effect]

Exception raised when a continuation is continued or discontinued more than once.

Division_by_zero [Stdlib]

Exception raised by integer division and remainder operations when their second argument is zero.

Empty [Stack]

Raised when Stack.pop or is applied to an empty stack.

Empty [Queue]

Raised when Queue.take or Queue.peek is applied to an empty queue.

End_of_file [Stdlib]

Exception raised by input functions to signal that the end of file has been reached.

Error [Dynlink]

Errors in dynamic linking are reported by raising the Error exception with a description of the error.

Exit [Thread]

Exception raised by user code to initiate termination of the current thread.

Exit [Stdlib]

The Exit exception is not raised by any library function.

Failure [Stdlib]

Exception raised by library functions to signal that they are undefined on the given arguments.

Finally_raised [Fun]

Finally_raised exn is raised by protect ~finally work when finally raises an exception exn.

Forced_twice [Seq]

This exception is raised when a sequence returned by Seq.once (or a suffix of it) is queried more than once.

Help [Arg]

Raised by Arg.parse_argv when the user asks for help.

Invalid_argument [Stdlib]

Exception raised by library functions to signal that the given arguments do not make sense.

Match_failure [Stdlib]

Exception raised when none of the cases of a pattern-matching apply.

Not_found [Stdlib]

Exception raised by search functions when the desired object could not be found.

Out_of_memory [Stdlib]

Exception raised by the garbage collector when there is insufficient memory to complete the computation.

Parse_error [Parsing]

Raised when a parser encounters a syntax error.

Scan_failure [Scanf]

When the input can not be read according to the format string specification, formatted input functions typically raise exception Scan_failure.

Stack_overflow [Stdlib]

Exception raised by the bytecode interpreter when the evaluation stack reaches its maximal size.

Sys_blocked_io [Stdlib]

A special case of Sys_error raised when no I/O is possible on a non-blocking I/O channel.

Sys_error [Stdlib]

Exception raised by the input/output functions to report an operating system error.

Undefined [CamlinternalLazy]
Undefined [Lazy]

Raised when forcing a suspension concurrently from multiple fibers, systhreads or domains, or when the suspension tries to force itself recursively.

Undefined_recursive_module [Stdlib]

Exception raised when an ill-founded recursive module definition is evaluated.

Unhandled [Effect]

Unhandled e is raised when effect e is performed and there is no handler for it.

Unix_error [UnixLabels]

Raised by the system calls below when an error is encountered.

Unix_error [Unix]

Raised by the system calls below when an error is encountered.