Standard Library

These definitions are assumed available to other programs.

TODO: flesh out these comments.

Nouns

Characters

TAB            tab (ascii 9)
LF             linefeed (ascii 10) -- end of line character
FF             formfeed (ascii 12) -- clear screen or new page character, in some contexts
CR             carriage return (ascii 13) -- second half of new line sequence on hard copy terminals
CRLF           CR LF pair
EAV            ascii 255 -- last character in a.

Integers

These are intended as left arguments for the conjunctions def and define

noun         0 
adverb       1 
conjunction  2 
verb         3 
monad        3 
dyad         4 

Verbs

Monads

assert         assert value is true

boxopen        box argument if open

boxxopen       box argument if open and 0<# (that is: if there's no items, don't box the empty list)

clear          clear all names in locale (right argument is ignored)

datatype       noun datatype

erase          erase

nameclass      name class

nc             name class

sign         * Typical result is _1, 0, or 1 for each number in the argument (indicating the sign of that number).

smoutput       output to session

script         load script. Implicit results of executing the script are not displayed.

scriptd        load script, displaying both the content of the script and any results produced while executing the script.

Dyads

expand         boolean expand data

drop        }. Remove x. items from y.

fetch      {:: 

pick       >@{ select from y. (using x. indices) and unbox.

Both

These are verbs where both the monad and dyad case seem to be relatively significant.

cutopen        cut argument if open

do          ".  Execute a string

empty          return empty result, regardless of what arguments are used

list           list data formatted in columns

names          formatted namelist

namelist       name list

nl             selective namelist

Adverbs

define     : 0  (explicit definition script form)

each       &.>  Iterate on atoms, unboxing as needed and boxing results

every       &>  Iterate on atoms, unboxing as needed

inverse   ^:_1  Do opposite of function

leaf       L:0  Apply verb within boxes (verb sees only numeric and character data, result is automatically reboxed appropriately)

rows        "1  Iterate verb over lists

Conjunctions

bind           binds argument to a monadic verb. Typically used as u. bind m. and m, treated as a constant function, and this use of u. would always produce the same result if it were not sensitive to the environment.

def          :  (explicit definition)

on          @:  (sequential evaluation)