manual:chapter6:lists:cmd_innercomp

LIST→

Synopsis

Split a list into its elements

Stack Diagram

Input Stack Output Stack
L → On … O1 In
Level 1 → Level n+1 … Level 2 Level 1

Legend

Keyword type Command
Parallel list processing capabilities Group 2 Commands that must use DOLIST to parallel process
Affected by flags None

Description

The LIST→ command takes a list of In and returns each object to a separate level, and returns the total number of objects to stack level 1.

Compatibility

LIST→ is fully equivalent to its userRPL counterpart.

Usage

Input 

4:                                      
3:                                      
2:                                      
1:                             { 1 3 5 }
…………………………………………………………………………………………………………
LIST→


Output 

4:                                     1
3:                                     3
2:                                     5
1:                                     3
…………………………………………………………………………………………………………

Operations with Lists 15 2 NEW

Command Short Description
→LIST Assemble a list from its elements
LIST→ Split a list into its elements
DOLIST Do a procedure with elements of lists CHANGED
DOSUBS Do a procedure on a subset of a list CHANGED
MAP Do a procedure on each element of a list, recursively
MAPLIST→ Do a procedure on each element recursively, return individual elements NEW
STREAM Do a procedure on consecutive elements of a list
ΔLIST First differences on the elements of a list
ΣLIST Sum of all elements in a list CHANGED
ΠLIST Product of all elements in a list CHANGED
ADD Concatenate lists and/or elements CHANGED
SORT Sort elements in a list
REVLIST Reverse the order of elements in a list
ADDROT Add elements to a list, keep only the last N elements NEW
SEQ Assemble a list from results of sequential procedure
  • manual/chapter6/lists/cmd_innercomp.txt
  • Last modified: 2021/10/04 13:45
  • by jojo1973