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On this page
  • Method Signature
  • Arguments
  • Examples
  • structToSorted with an inline function sorting by key value
  • structToSorted member function with an inline function sorting by key value
  • structToSorted member function with an inline function sorting by key name
  • structToSorted member function with sorttype argument
  • Additional Examples
  • Related

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  1. BoxLang Language
  2. Reference
  3. Built-in Functions
  4. struct

StructToSorted

PreviousStructToQueryStringNextStructUpdate

Last updated 8 days ago

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Converts a struct to a sorted struct - using either a callback comparator or textual directives as the sort option

Method Signature

StructToSorted(struct=[structloose], sortType=[any], sortOrder=[string], localeSensitive=[any], callback=[function:Comparator])

Arguments

Argument
Type
Required
Description
Default

struct

struct

true

The struct to sort

sortType

any

false

An optional sort type to apply to that type - if a callback is given in this position it will be used as that argument

text

sortOrder

string

false

The sort order applicable to the sortType argument

asc

localeSensitive

any

false

false

callback

function:Comparator

false

An optional callback to use as the sorting function. You can alternatively pass a Java Comparator.

Examples

structToSorted with an inline function sorting by key value

Use a function to sort the keys by numeric value descending

someStruct = { 
	"NINE" : 9,
	"SIX" : 6,
	"THREE" : 3,
	"TWELVE" : 12,
	"tres" : 3,
	"seis" : 6,
	"nueve" : 9,
	"doce" : 12
};

function sortByNumericValuesDescending( Any value1, Any value2, Any key1, Any key2 ) {
	if( value1 > value2 ) {
		return -1;
	}
	return 1;
}
sortedStruct = StructToSorted( someStruct, sortByNumericValuesDescending );
writedump( sortedStruct );

Result: A new struct with the keys ordered by value descending

structToSorted member function with an inline function sorting by key value

Use a function to sort the keys by numeric value descending

someStruct = { 
	"NINE" : 9,
	"SIX" : 6,
	"THREE" : 3,
	"TWELVE" : 12,
	"tres" : 3,
	"seis" : 6,
	"nueve" : 9,
	"doce" : 12
};

function sortByNumericValuesDescending( Any value1, Any value2, Any key1, Any key2 ) {
	if( value1 > value2 ) {
		return -1;
	}
	return 1;
}
sortedStruct = someStruct.ToSorted( sortByNumericValuesDescending );
writedump( sortedStruct );

Result: A new struct with the keys ordered by value descending

structToSorted member function with an inline function sorting by key name

Use a function to sort the keys by name

someStruct = { 
	"NINE" : 9,
	"SIX" : 6,
	"THREE" : 3,
	"TWELVE" : 12,
	"tres" : 3,
	"seis" : 6,
	"nueve" : 9,
	"doce" : 12
};

function sortByKeyName( Any value1, Any value2, Any key1, Any key2 ) {
	return compareNoCase( key1, key2 );
}
sortedStruct = someStruct.ToSorted( sortByKeyName );
writedump( sortedStruct );

Result: A new struct with the keys ordered by key name

structToSorted member function with sorttype argument

Use a function to sort the keys by name

someStruct = { 
	"NINE" : 9,
	"SIX" : 6,
	"THREE" : 3,
	"TWELVE" : 12,
	"tres" : 3,
	"seis" : 6,
	"nueve" : 9,
	"doce" : 12
};
sortedStruct = someStruct.ToSorted( "text", "asc", false );
writedump( sortedStruct );

Result: A new struct with the keys ordered by key name

Additional Examples

myNestedStruct = { 
	"apple" : {
		"price" : 3,
		"quantity" : 10
	},
	"banana" : {
		"price" : 1,
		"quantity" : 5
	},
	"cherry" : {
		"price" : 2,
		"quantity" : 8
	},
	"date" : {
		"price" : 4,
		"quantity" : 12
	}
};
writeDump( var=myNestedStruct, label="Before sorting" );
writeDUmp( var=StructToSorted( myNestedStruct, "textNoCase", "desc", true ), label="After sorting" );
myNumb.4 = "5";
myNumb.3 = "2";
myNumb.2 = "3";
myNumb.1 = "1";
cb = ( Any value1, Any value2, Any key1, Any key2 ) => {
	if( arguments.VALUE1 < arguments.VALUE2 // i.e. desc
	 ) return 1;
	 else return -1;
};
writeDump( var=myNumb, label="Before sorting" );
writeDUmp( var=StructToSorted( myNumb, cb ), label="After sorting" );

Related

Run Example
Run Example
Run Example
Run Example
Run Example
StructEquals
StructReduce
StructIsCaseSensitive
StructNew
StructGet
StructDelete
StructFilter
StructIsOrdered
StructSort
StructEach
StructToQueryString
StructUpdate
StructClear
StructGetMetadata
StructKeyArray
StructCopy
StructFindKey
StructInsert
StructMap
StructFindValue
StructValueArray
StructSome
StructKeyExists
StructKeyTranslate
StructEvery
StructFind
StructKeyList
StructAppend