| ::abs | returns absolute value of a |
| ::add | insert an item into a set |
| ::asc | determine the byte representation of a character |
| ::bisplit | split string into exactly two parts |
| ::chr | create character according to it's ascii code |
| ::clear | remove all elements from a set |
| ::cleared | return emtpy copy of set |
| ::column | return column of list-table |
| ::copy | make shallow copy of dictionary |
| ::deepcopy | make infinite deep copy of object |
| ::delete | delete an entry from a dictionary |
| ::dict | construct a dictionary from a list of key/value pairs |
| ::empty | check if list is empty |
| ::endswith | checks if string ends with a certain character |
| ::$equals | compare two dicts for equality |
| ::exit | terminate execution of programm |
| ::find | find substring in string range |
| ::float | convert int to float |
| ::foldl | apply binary function to list of elements |
| ::forall | check if all items of collection fullfill predicate |
| ::forsome | check if at at least one item of collection fullfills predicate |
| fs::chdir | change the current working directory |
| fs::close | close an open file |
| fs::cwd | return the current working directory |
| fs::dir | return list of entries in a directory |
| fs::file | open a file for reading |
| fs::file_exists | check if a file exists |
| fs::file_type | determine type of a file |
| fs::file_type_l | determine type of a file, do not follow symbolic links |
| fs::findfiles | recursively find all files in a directory |
| fs::flush | flush pending data to file |
| fs::fnmatch | compare a filename with a globbing pattern |
| fs::gethostbyname | convert hostname to IP address |
| fs::is_blockdev | check if path exists and is a block device node |
| fs::is_chardev | check if path exists and is a character device node |
| fs::is_directory | check if path exists and is a directory |
| fs::is_fifo | check if path exists and is a fifo (a named pipe) |
| fs::is_file | check if path exists and is a regular file |
| fs::is_socket | check if path exists and is a unix socket |
| fs::is_symlink | check if path exists and is a symbolic link |
| fs::mkdir | create a directory |
| fs::mkfifo | create a named pipe |
| fs::mknod | create character or block device node |
| fs::mustread | read exact number of bytes from a file |
| fs::popen | create process and communicate with pipe |
| fs::read | read contents of a file |
| fs::readline | read one line of text from a file |
| fs::readlines | read all text lines from an open file |
| fs::remove | removes a file if it exists |
| fs::rmdir | remove an empty directory |
| fs::tcpconnect | make client connection to TCP port |
| fs::touch | touch or create file |
| fs::write | write a string to a file |
| fs::writeline | write a line of text to a file |
| fs::writelines | write list of lines to a file |
| ::get | gets a value from a dictionary or returns a default value |
| ::int | convert float to int |
| ::intersection | compute intersection of a list and another collection |
| ::isalnum | test, if character is digit or alphabetic character |
| ::isalpha | test, if character is an alphabetical character |
| ::isascii | test, if character is an ascii character |
| ::isblank | test, if character is space or tab |
| ::iscntrl | test, if character is control character |
| ::isdigit | test, if character is digit |
| ::isgraph | test, if character if printable and not space |
| ::islower | test, if character is lower case character |
| ::isprint | test, if character is printable |
| ::ispunct | test, if character is not space and not alphanumeric |
| ::isspace | test, if character is white space |
| ::isupper | test, if character is upper case character |
| ::isxdigit | test, if character is hexadecimal digit |
| ::items | return items of a set as list |
| ::join | form new string by joining list of strings |
| ::keys | return list of keys in a dictionary |
| ::len | return number of elements in a set |
| ::list | converts a set into a list |
| ::lstrip | remove white space at left side |
| ::match | match string against regular expression, extract groups |
| ::max | returns the maximum of a and b |
| ::min | returns the minimum of a and b |
| ::neutral | return neutral element of set |
| ::part_match | check if string contains substring at a certain position |
| ::pop | remove last element of list |
| ::print | print value to stdandard output |
| ::range | create list of integers from 0 to upto-1 |
| ::rbisplit | split string into exactly two parts, from the right |
| ::replace | inplace variant of replaced that changes string object itself |
| ::replaced | replace all occurrances of x with y in s |
| ::replaced_tags | search and replace tags in string |
| ::reverse | reverse list inplace |
| ::reversed | create reversed copy of a list |
| ::rfind | search for substring in string range from the end |
| ::rstrip | remove white space at right side |
| ::set | converts a list into a set |
| ::setto | change contents of string |
| ::sign | returns the sign of the integer a |
| ::sort | sort a list inplace |
| ::sorted | return sorted copy of list |
| ::split | split a string into parts by a delimiter |
| ::startswith | checks if string starts with a certain character |
| ::str | convert set into string |
| ::strip | remove white space at right side |
| ::sum | return sum of elements in a list |
| sys::argv | command line arguments |
| sys::stderr | return standard error file object |
| sys::stdin | return standard input file object |
| sys::stdout | return standard output file object |
| ::system | execute shell command line |
| time::asctime | convert epoch time into standard string representation |
| time::localtime | break down epoch time into human time |
| time::sleep | sleep a number of seconds |
| time::time | return seconds since epoch |
| time::usleep | sleep a number of microseconds |
| ::trimFrom | remove suffix from string beginning at last occurance of stopper |
| ::trimFromFirst | remove suffix from string beginning at first occurance of stopper |
| ::trimTo | remove prefix from string up to first occurance of stopper |
| ::trimToLast | remove prefix from string up to last occurance of stopper |
| ::update | add all elements of a list to a set |
| ::values | return list of values in dictionary |
| ::zip | convert two lists into one list of pairs |