The library documents itself · Collections & objects

stzListTrimmer

21 own methods · 20 forms written with extensions, listed under their method

the source: base/list/stzListTrimmer.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; 13 were composed from each method's signature and run for this page, on a fresh object, for example o1 = new stzListTrimmer(["", "", "x", "y", "", ""]). 8 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 stzListTrimmer(["", "", "x", "y", "", ""])
? o1.NumberOfItems()
#--> 6

composed from the signature, run for this page

no extension

IsEmpty

content access

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
? o1.IsEmpty()
#--> 0

composed from the signature, run for this page

no extension

Trim

Same as TrimCS: Remove the runs of EMPTY items (0, empty string, empty sublist, false-object -- the monolith semantics) from BOTH ends; a fully-empty list keeps one item (mutating).

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
o1.Trim()
? @@( o1.Content() )
#--> [ "x", "y" ]

composed from the signature, run for this page

QCSXTZZZIBWU

Trimmed

Same as TrimmedCS: A copy with the empty boundary runs trimmed; the original is unchanged.

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
? @@( o1.Trimmed() )
#--> [ "x", "y" ]

composed from the signature, run for this page

QCSXTZZZIBWU

TrimLeft

Same as TrimLeftCS: Remove the leading run of empty items (0, empty string, empty sublist, false-object) -- mutating.

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
o1.TrimLeft()
? @@( o1.Content() )
#--> [ "x", "y", "", "" ]

composed from the signature, run for this page

QCSXTZZZIBWU

TrimmedLeft

content access

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
? @@( o1.TrimmedLeft() )
#--> [ "x", "y", "", "" ]

composed from the signature, run for this page

no extension

TrimRight

Same as TrimRightCS: Remove the trailing run of empty items (mutating).

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
o1.TrimRight()
? @@( o1.Content() )
#--> [ "", "", "x", "y" ]

composed from the signature, run for this page

QCSXTZZZIBWU

TrimmedRight

content access

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
? @@( o1.TrimmedRight() )
#--> [ "", "", "x", "y" ]

composed from the signature, run for this page

no extension

TrimItem

(no comment in the source: the name reads as a sentence) trim itemin the section trim specific itemQCSXTZZZIBWU

TrimItemFromLeft

(no comment in the source: the name reads as a sentence) trim item from leftin the section trim specific itemQCSXTZZZIBWU

TrimItemFromRight

(no comment in the source: the name reads as a sentence) trim item from rightin the section trim specific itemQCSXTZZZIBWU

Compact

Remove the blank strings (whitespace-only) and empty sublists throughout the list (mutating).

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
o1.Compact()
? @@( o1.Content() )
#--> [ "x", "y" ]

composed from the signature, run for this page

QCSXTZZZIBWU

Compacted

compact (remove all empty items)

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
? @@( o1.Compacted() )
#--> [ "x", "y" ]

composed from the signature, run for this page

no extension

Squeeze

Collapse each consecutive run of blank strings to a single one (mutating).QCSXTZZZIBWU

Squeezed

squeeze (remove consecutive duplicate empty items)

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
? @@( o1.Squeezed() )
#--> [ "", "x", "y", "" ]

composed from the signature, run for this page

no extension

StripNulls

strip nulls (remove nulls and empty strings)

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
o1.StripNulls()
? @@( o1.Content() )
#--> [ "x", "y" ]

composed from the signature, run for this page

QCSXTZZZIBWU

NullsStripped

strip nulls (remove nulls and empty strings)

composed example

o1 = new stzListTrimmer(["", "", "x", "y", "", ""])
? @@( o1.NullsStripped() )
#--> [ "x", "y" ]

composed from the signature, run for this page

no extension

TrimToSize

trim to size (keep only first n items)QCSXTZZZIBWU

TrimmedToSize

trim to size (keep only first n items)no extension