Index of values

mod and div operators that have the right behavior on negative numbers, that is, x % y always returns a value between 0 and y-1.

(name %: typ) specifies a required anonymous argument of type typ.

Basic operations on spans

( / ) t mul scales t by 1/mul

command-line spec composition

add a leftmost parameter onto the type of main

add a rightmost parameter onto the type of main

float division of integers

( // ) t1 t2 returns the ratio of t1 to t2

t >>= f returns a computation that sequences the computations represented by two monad elements.

t >>| f is t >>= (fun a -> return (f a)).

same as Filename.concat

A 'pipe' operator.

Functions from fn.ml

A pipe operator, equivalent to |!, but this notation is more broadly accepted

abbreviation zone t returns t abbreviation name such as EDT, EST, JST of given zone at the time t.

Dump_core Abnormal termination

absolute value

abs_diff t1 t2 returns the absolute span of time t1 minus time t2.

Accept connections on the given socket.

Check that the process has the given permissions over the named file.

add t s adds the span s to time t and returns the resulting time.

add timer handler ?randomize ?interval span

add t s shifts the time of day t by the span s.

add t i add i to the set

add ru1 ru2 adds two rusage structures (e.g.

returns a new map with the specified new binding; if the key was already bound, its previous binding disappears.

add t v adds v to the bag t, returning an element that can later be removed from the bag.

adds the specified key and data to the tree destructively (previous t's are no longer valid) using the specified comparison function.

add_abs timer handler ?randomize ?interval time same as Timer.add, but takes an absolute time time for scheduling the event rather than a span.

add_buffer b1 b2 appends the current contents of buffer b2 at the end of buffer b1.

add_business_days t ~is_holiday n returns a business day even when n=0.

add_channel b ic n reads exactly n character from the input channel ic and stores them at the end of buffer b.

add_char b c appends the character c at the end of the buffer b.

add_finalizer b f ensures that f runs after b becomes unreachable.

add_months t n returns date with max days for the month if the date would be invalid.

if key is not present then add a singleton list, otherwise, cons data on the head of the existing list.

add_multi t ~key ~data if key is present in the table then cons data on the list, otherwise add key with a single element list.

add_range t i j add all the numbers between i and j (inclusive) to the set.

add_string b s appends the string s at the end of the buffer b.

add_substitute b f s appends the string pattern s at the end of the buffer b with substitution.

add_substring b s ofs len takes len characters from offset ofs in string s and appends them at the end of the buffer b.

add_weekdays t 0 returns the next weekday if t is a weekend and t otherwise.

Address information returned by Unix.getaddrinfo.

Schedule a SIGALRM signal after the given number of seconds.

Align the documentation strings by inserting spaces at the first space, according to the length of the keyword.

Validates an association list, naming each element using a user-defined function for computing the name.

Combine a list of validation functions into one that does all validations.

all () returns all pretty printers that have been registered.

Return the total number of bytes allocated since the program was started.

allow_intersecting says whether to allow intersecting known flags.

Terminate Timeout

generator that always returns given value

anon spec specifies a command that, among other things, takes the anonymous arguments specified by spec.

E.g.

Array.append v1 v2 returns a fresh array containing the concatenation of the arrays v1 and v2.

apply x f run optional function on argument and return an option

apply_n_times ~n f x is the n-fold application of f to x.

Returns true iff a given set of intervals are disjoint

Returns true iff a given set of intervals would be disjoint if considered as open intervals.

the arguments passed to the command

The command line arguments given to the process.

ascending is identical to compare.

ascending is identical to compare.

Printexc.get_backtrace

Respects the posix semantic.

basic ~summary ?readme spec main is a basic command that executes a function main which is passed parameters parsed from the command line according to spec.

Return a copy of the current contents of the buffer as a bigstring.

The type of socket addresses.

The type of socket domains.

The type of socket kinds, specifying the semantics of communications.

Note that the sexps are not directly inferred from the type above -- there are lots of fancy shortcuts.

bind t f = t >>= f

Bind a socket to an address.

A special address, for use only with bind, representing all the Internet addresses that the host machine possesses.

These functions are the same as the basic functions, except that they use (and update) the given PRNG state instead of the default one.

Return 30 random bits in a nonnegative integer.

Array.blit v1 o1 v2 o2 len copies len elements from array v1, starting at element number o1, to array v2, starting at element number o2.

block_forever () will block the calling thread forever.

blocking_create ?message path like create, but sleeps for 1 second between lock attempts and does not return until it succeeds

blocking_create t tries to create the lock.

Random.bool () returns true or false with probability 0.5 each.

Create a validation function from a function that produces a bool

like bot_exn, but returns result optionally, without exception.

returns the bottom (most-recently enqueued element).

bound t x returns None iff is_empty t.

bytes t returns the number of bytes on the heap taken by heap block t, including the header.

c_int_size returns the number of bits in a C int.

call x f run optional function on argument

can_read t iff t has rdonly or rdwr

can_send_to pid returns true if pid is running and the current process has permission to send it signals.

can_read t iff t has wronly or rdwr

Warning: this function clobbers the Signal.int (SIGINT) handler.

ceil_pow2 x returns the smallest power of 2 that is greater than or equal to x.

character generator

change map key f updates the given map by changing the value stored under key according to f.

change t key f updates the given table by changing the value stored under key according to f, just like Map.change (see that for example).

Change the process working directory.

Change the current working directory of the process.

check_args ~loc ~pos ~len bstr checks the position and length arguments pos and len for bigstrings bstr.

check_heap_property h asserts that h has the heap property: that all nodes are less than their children by h's comparison function.

check_suffix name suff returns true if the filename name ends with the suffix suff.

Ignore Child process terminated

Change the permissions of the named file.

returns an arbitrary element, or None if the set is empty.

choose t returns some element in the bag.

Return the given file name without its extension.

chop_prefix s ~pref returns a copy s without the leading pref

chop_suffix name suff removes the suffix suff from the filename name.

chop_suffix s ~suf returns a copy s without the trailing suff

Change the owner uid and owner gid of the named file.

Change the process root directory.

clears the queue

clear t causes t to not fire any more.

clear the queue

clear t removes all elements from the list in constant time.

clear t removes all elements from t.

clear t discards all elements from t.

clear t discards all elements from t.

Empty the buffer.

clear t removes all elements from the bag.

Clear the ``close-on-exec'' flag on the given descriptor.

Clear the ``non-blocking'' flag on the given descriptor.

Close a file descriptor.

we have our own version of these two, the INRIA version doesn't release the runtime lock.

Close channels opened by UnixLabels.open_process, wait for the associated command to terminate, and return its termination status.

Close channels opened by UnixLabels.open_process_full, wait for the associated command to terminate, and return its termination status.

Close channels opened by UnixLabels.open_process_in, wait for the associated command to terminate, and return its termination status.

Close channels opened by UnixLabels.open_process_out, wait for the associated command to terminate, and return its termination status.

Close a directory descriptor.

combine ar combines two arrays to an array of pairs.

combine_errors ts returns Ok if every element in ts is Ok, else it returns Error with all the errors in ts.

combine_errors_unit returns Ok if every element in ts is Ok (), else it returns Error with all the errors in ts, like combine_errors.

Execute the given shell command and return its exit code.

Perform a full major collection and compact the heap.

lexicographic

Total ordering between maps.

Types for use as markers in phantom types.

compose f g x is f (g x)

concatanate all strings in the list using separator sep (default sep "")

Concatenate a list of lists.

concat p1 p2 returns a path equivalent to p1 ^ "/" ^ p2.

Same as Array.append, but concatenates a list of arrays.

concat_array sep ar like String.concat, but operates on arrays

Like map, but allows replacement of a single character with zero or two or more characters.

concat_map t ~f is concat (map t ~f), except that there is no guarantee about the order in which f is applied to the elements of t.

concat_mapi t ~f is like concat_map, but passes the index as an argument

Same as concat but faster and without preserving any ordering (ie for lists that are essentially viewed as multi-sets.

cond_pop heap cond

cond_pop_heap_el heap cond

Connect a socket to an address.

produces a function that just returns its first argument

a hard-coded parameter

Continue Continue

contains_dup True if there are any two elements in the list which are the same.

Return a copy of the current contents of the buffer.

conv t x uses the type equality t : (a, b) t as evidence to safely cast x from type a to type b.

copy heap

copy t returns a copy of t.

copy t returns a copy of t.

copy t returns a copy of t.

Array.copy a returns a copy of a, that is, a fresh array containing the same elements as a.

cores ()

count f l is the number of elements in l that satisfy the predicate f.