The library documents itself · Collections & objects

stzListOfLists

41 own methods · 25 forms written with extensions, listed under their method · Also inherits from stzList (878)

also named: stzLists · stz2DList · stzList2D

the source: base/list/stzListOfLists.ring(opens in a new tab) · All classes · The area reference: Collections & objects

Under each method, its extensions (Q CS XT Z ZZ IB W U): bold and ticked, it exists; struck, it does not. The extensions and what they mean

Examples: 0 come from the library's tests; 12 were composed from each method's signature and run for this page, on a fresh object, for example o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]]). 29 methods have none yet. Examples run on 2026-10-03 12:54 inside the library at commit 0e72e2e2c.

Method

Explanation, as the source carries it

init

Build the list-of-lists from the given Haro list.no extension

Content

The raw list of lists. 2 examples runalso written: ListOfListsQCSXTZZZIBWU

Value

The raw list of lists (same as Content).no extension

Copy

A new stzListOfLists with the same sublists.no extension

NumberOfLists

How many sublists the list holds.

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
? o1.NumberOfLists()
#--> 2

composed from the signature, run for this page

no extension

Update

(no comment in the source: the name reads as a sentence) updatein the section updating the list of listsQCSXTZZZIBWU

UpdateWith

(no comment in the source: the name reads as a sentence) update within the section updating the list of listsQCSXTZZZIBWU

UpdateBy

(no comment in the source: the name reads as a sentence) update byin the section updating the list of listsQCSXTZZZIBWU

UpdateUsing

(no comment in the source: the name reads as a sentence) update usingin the section updating the list of listsno extension

Updated

(no comment in the source: the name reads as a sentence) updatedalso written: UpdatedBy · UpdatedWith · UpdatedUsingin the section updating the list of lists

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
? @@( o1.Updated([ 2, 3 ]) )
#--> [ 2, 3 ]

composed from the signature, run for this page

no extension

AddList

Add the given list at the end (mutating).

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
o1.AddList([ 2, 3 ])
? @@( o1.Content() )
#--> [ [ 10, 20, 30 ], [ 40, 50, 60 ], [ 2, 3 ] ]

composed from the signature, run for this page

no extension

AddManyLists

Same as AddMany: Add each of the given lists at the end (mutating).no extension

NthList

The sublist at position n.also written: ListAtPosition

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
? @@( o1.NthList(2) )
#--> [ 40, 50, 60 ]

composed from the signature, run for this page

QCSXTZZZIBWU

ListAt

Same as NthList: The sublist at position n.QCSXTZZZIBWU

FirstList

The first sublist.

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
? @@( o1.FirstList() )
#--> [ 10, 20, 30 ]

composed from the signature, run for this page

no extension

LastList

The last sublist.

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
? @@( o1.LastList() )
#--> [ 40, 50, 60 ]

composed from the signature, run for this page

no extension

FindInLists

WITHOUT CASESENSITIVITY Where the item occurs INSIDE the sublists: [sublist, position] pairs.also written: FindInside · FindItemInside · FindItemInListsQCSXTZZZIBWU

FindManyInLists

WITHOUT CASESENSITIVITY Where each of the given items occurs inside the sublists.QCSXTZZZIBWU

FindItemsInLists

Same as FindManyInLists: WITHOUT CASESENSITIVITY Where each of the given items occurs inside the sublists.QCSXTZZZIBWU

FindSubListInListsCS

finding a sublist inside the listsno extension

FindSubListInList

finding a sublist inside the listsno extension

PositionsW

The positions of the sublists satisfying the W condition.also written: FindListsW · FindListsWhere · PositionsWhereQCSXTZZZIBWU

ListsWhere

Same as ListsW: The sublists satisfying the W condition.QCSXTZZZIBWU

Sizes

getting the sizes of the inner listsalso written: ListsSizes · NumbersOfItems · SizeOfEachList · ListsNumbersOfItems · NumberOfItemsOfEachList

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
? @@( o1.Sizes() )
#--> [ 3, 3 ]

composed from the signature, run for this page

no extension

ListsHaveSameNumberOfItems

(no comment in the source: the name reads as a sentence) lists have same number of items 1 examples runalso written: IsGrid · IsAGrid · Is2DList · IsList2D · IsA2DList · IsAList2D · IsHomolog · IsUniform · HasSameSizes · HaveSameSize · IsHomologuous · ListsHaveSameSize · AllListsHaveSameSize · AllListsHaveSameSizes · HasSameNumbersOfItems · HaveSameNumberOfItems · ContainsSameNumberOfItems · AllListsHaveSameNumberOfItemsin the section checking if lists have same number of items

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
? o1.ListsHaveSameNumberOfItems()
#--> 1

composed from the signature, run for this page

no extension

FindSmallestLists

The positions of the shortest sublists.also written: FindMinLists · MinListsPositions · PositionsOfMinLists · SmallestListsPositions · PositionsOfSmallestLists

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
? @@( o1.FindSmallestLists() )
#--> [ 1, 2 ]

composed from the signature, run for this page

no extension

SmallestLists

The shortest sublists.QCSXTZZZIBWU

FindBiggestLists

The positions of the longest sublists.also written: FindMaxLists · FindGeatestLists · FindLargestLists · MaxListsPositions · PositionsOfMaxLists · BiggestListsPositions · LargestListsPositions · GreatestListsPositions · PositionsOfBiggestLists · PositionsOfLargestLists · PositionsOfGreatestLists

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
? @@( o1.FindBiggestLists() )
#--> [ 1, 2 ]

composed from the signature, run for this page

no extension

BiggestLists

add* "big", "great", and "large" as alternatives all over the libraryalso written: LargestLists · GreatestListsQCSXTZZZIBWU

BiggestListsAndTheirPositions

Same as BiggestListsZ: add* "big", "great", and "large" as alternatives all over the library (returns the value along with its position)

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
? @@( o1.BiggestListsAndTheirPositions() )
#--> [ [ [ 10, 20, 30 ], 1 ], [ [ 40, 50, 60 ], 2 ] ]

composed from the signature, run for this page

no extension

LargestListsAndTheirPositions

Same as BiggestListsZ: add* "big", "great", and "large" as alternatives all over the library (returns the value along with its position)

composed example

o1 = new stzListOfLists([[10, 20, 30], [40, 50, 60]])
? @@( o1.LargestListsAndTheirPositions() )
#--> [ [ [ 10, 20, 30 ], 1 ], [ [ 40, 50, 60 ], 2 ] ]

composed from the signature, run for this page

no extension

FindListsOfSizeN

lists of size nalso written: FindListsOfSize · PositionsOfListsOfSize · PositionsOfListsOfSizeNno extension

ListsOfSizeN

lists of size nalso written: ListsOfSizeno extension

List2D

(no comment in the source: the name reads as a sentence) list2 dno extension

Transpose

Swappingg columns and rowsQCSXTZZZIBWU

Turn

Same as Transpose: Swappingg columns and rowsQCSXTZZZIBWU

SwapColsAndRows

Same as Transpose: Swappingg columns and rowsQCSXTZZZIBWU

SwapRowsAndCols

Same as Transpose: Swappingg columns and rowsQCSXTZZZIBWU

SwitchColsAndRows

Same as Transpose: Swappingg columns and rowsQCSXTZZZIBWU

SwitchRowsAndCols

Same as Transpose: Swappingg columns and rowsQCSXTZZZIBWU

Transposed

(no comment in the source: the name reads as a sentence) transposedalso written: ColsAndRowsSwapped · RowsAndColsSwapped · ColsAndRowsSwitched · RowsAndColsSwitchedno extension

Add

Same as AddItem: Add the given item at the end of the list (mutating).defined in stzList; its extensions hereQCSXTZZZIBWUMany

Lists

Only the LIST items of the list.defined in stzList; its extensions hereQCSXTZZZIBWU