The library documents itself · Collections & objects

stzListDuplicates

22 own methods · 17 forms written with extensions, listed under their method

the source: base/list/stzListDuplicates.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; 15 were composed from each method's signature and run for this page, on a fresh object, for example o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"]). 7 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

(no comment in the source: the name reads as a sentence) contentin the section content accessno extension

NumberOfItems

(no comment in the source: the name reads as a sentence) number of itemsin the section content access

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
? o1.NumberOfItems()
#--> 6

composed from the signature, run for this page

no extension

IsEmpty

(no comment in the source: the name reads as a sentence) is emptyin the section content access

composed example

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

composed from the signature, run for this page

no extension

Copy

(no comment in the source: the name reads as a sentence) copyin the section content accessno extension

UpdateWith

(no comment in the source: the name reads as a sentence) update within the section content access

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
o1.UpdateWith([ 2, 3 ])
? @@( o1.Content() )
#--> [ 2, 3 ]

composed from the signature, run for this page

no extension

List

(no comment in the source: the name reads as a sentence) listin the section content accessno extension

RemoveItemAtPosition

(no comment in the source: the name reads as a sentence) remove item at positionin the section content access

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
o1.RemoveItemAtPosition(2)
? @@( o1.Content() )
#--> [ "a", "c", "a", "b", "d" ]

composed from the signature, run for this page

no extension

FindAllCS

(no comment in the source: the name reads as a sentence) find all csin the section content accessno extension

FindDuplicates

finding duplicated items

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
? @@( o1.FindDuplicates() )
#--> [ 4, 5 ]

composed from the signature, run for this page

QCSXTZZZIBWU

DuplicatedItems

duplicated items

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
? @@( o1.DuplicatedItems() )
#--> [ "a", "b" ]

composed from the signature, run for this page

QCSXTZZZIBWU

RemoveDuplicates

removing duplicates

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
o1.RemoveDuplicates()
? @@( o1.Content() )
#--> [ "a", "b", "c", "d" ]

composed from the signature, run for this page

QCSXTZZZIBWU

WithoutDuplication

without duplicationalso written: WithoutDuplicates

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
? @@( o1.WithoutDuplication() )
#--> [ "a", "b", "c", "d" ]

composed from the signature, run for this page

QCSXTZZZIBWU

HasDuplicates

has duplicatesalso written: ContainsDuplicates · ContainsDuplicatedItems

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
? o1.HasDuplicates()
#--> 1

composed from the signature, run for this page

QCSXTZZZIBWU

NumberOfDuplicates

number of duplicates

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
? o1.NumberOfDuplicates()
#--> 2

composed from the signature, run for this page

QCSXTZZZIBWU

FindDuplicatesOf

finding duplicates of a specific itemQCSXTZZZIBWU

UniqueItems

unique items (without duplicates)also written: Unique

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
? @@( o1.UniqueItems() )
#--> [ "a", "b", "c", "d" ]

composed from the signature, run for this page

QCSXTZZZIBWU

FindNonDuplicatedItems

finding non duplicated items

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
? @@( o1.FindNonDuplicatedItems() )
#--> [ 3, 6 ]

composed from the signature, run for this page

QCSXTZZZIBWU

NonDuplicatedItems

non duplicated items

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
? @@( o1.NonDuplicatedItems() )
#--> [ "c", "d" ]

composed from the signature, run for this page

QCSXTZZZIBWU

ItemsDuplicatedNTimes

items duplicated exactly n times

composed example

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

composed from the signature, run for this page

QCSXTZZZIBWU

MostDuplicatedItem

most duplicated item

composed example

o1 = new stzListDuplicates(["a", "b", "c", "a", "b", "d"])
? o1.MostDuplicatedItem()
#--> a

composed from the signature, run for this page

QCSXTZZZIBWU

RemoveNthDuplicate

remove nth duplicateQCSXTZZZIBWU