The library documents itself · Collections & objects

stzListBounder

21 own methods · 13 forms written with extensions, listed under their method

the source: base/list/stzListBounder.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; 11 were composed from each method's signature and run for this page, on a fresh object, for example o1 = new stzListBounder(["a", "b", "c", "d", "e"]). 10 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

initializationno extension

Content

content accessno extension

NumberOfItems

content access

composed example

o1 = new stzListBounder(["a", "b", "c", "d", "e"])
? o1.NumberOfItems()
#--> 5

composed from the signature, run for this page

no extension

IsEmpty

content access

composed example

o1 = new stzListBounder(["a", "b", "c", "d", "e"])
? o1.IsEmpty()
#--> 0

composed from the signature, run for this page

no extension

Section

getting a section (slice) of the listalso written: Between · ItemsBetweenPositions

composed example

o1 = new stzListBounder(["a", "b", "c", "d", "e"])
? @@( o1.Section(2, 5) )
#--> [ "b", "c", "d", "e" ]

composed from the signature, run for this page

QCSXTZZZIBWU

Sections

getting many sectionsalso written: ManySectionsQCSXTZZZIBWU

AreBoundsOf

checking if the 2 items are bounds of a substringQCSXTZZZIBWU

IsBoundedBy

checking if the list is bounded by the given two itemsQCSXTZZZIBWU

BoundsUpToNItems

getting bounds of the list up to n items

composed example

o1 = new stzListBounder(["a", "b", "c", "d", "e"])
? @@( o1.BoundsUpToNItems(2) )
#--> [ [ "a", "b" ], [ "d", "e" ] ]

composed from the signature, run for this page

no extension

Bounds

getting bounds of the list up to n items

composed example

o1 = new stzListBounder(["a", "b", "c", "d", "e"])
? @@( o1.Bounds() )
#--> [ "a", "e" ]

composed from the signature, run for this page

no extension

RemoveBounds

removing boundsQCSXTZZZIBWU

BoundsRemoved

A copy of the list with the given bounds removed; the original is unchanged.no extension

IsPair

is pair / is list of pairs

composed example

o1 = new stzListBounder(["a", "b", "c", "d", "e"])
? o1.IsPair()
#--> 0

composed from the signature, run for this page

no extension

IsListOfPairs

is pair / is list of pairs

composed example

o1 = new stzListBounder(["a", "b", "c", "d", "e"])
? o1.IsListOfPairs()
#--> 0

composed from the signature, run for this page

no extension

Middle

getting the middle of the listalso written: WithoutBounds

composed example

o1 = new stzListBounder(["a", "b", "c", "d", "e"])
? @@( o1.Middle() )
#--> [ "b", "c", "d" ]

composed from the signature, run for this page

no extension

Range

range (start, count)QCSXTZZZIBWU

ClampedTo

clamped to min/max valuesno extension

ClampTo

clamped to min/max valuesQCSXTZZZIBWU

IsWithinBounds

check if position is within boundsalso written: HasPosition · PositionExists

composed example

o1 = new stzListBounder(["a", "b", "c", "d", "e"])
? o1.IsWithinBounds(2)
#--> 1

composed from the signature, run for this page

no extension

NFirstItems

first n and last n itemsalso written: Take · FirstNItems

composed example

o1 = new stzListBounder(["a", "b", "c", "d", "e"])
? @@( o1.NFirstItems(2) )
#--> [ "a", "b" ]

composed from the signature, run for this page

no extension

NLastItems

first n and last n itemsalso written: TakeLast · LastNItems

composed example

o1 = new stzListBounder(["a", "b", "c", "d", "e"])
? @@( o1.NLastItems(2) )
#--> [ "d", "e" ]

composed from the signature, run for this page

no extension