ListMap

Calls the given closure with every element in the given list.

The function returns a list that contains all values returned by the closure.

ListMap( list, closure [, delimiter [, includeEmptyFields [, multiCharacterDelimiter [, parallel [, maxThreads ] ] ] ] ] )

Returns: String

Argument Description Default
list
string, required

list to iterate

closure
function, required

filter can be a function/closure that implements the following constructor

[function(any value, number index, string list, string delimiter):any].

Alias: function, callback, udf

delimiter
string, optional

delimiter used to separate the string list

,

includeEmptyFields
boolean, optional

include empty fields or not

false

multiCharacterDelimiter
boolean, optional

specifying whether the delimiters parameter specifies a multi-character delimiter.

If this parameter is true, the delimiters parameter must specify a single delimiter consisting of multiple characters.

This parameter enables the ListToArray function to convert a list such as the following to an array of color names: red:|orange:|yellow:|green:|blue:|indigo:|violet.

true

parallel
boolean, optional

execute closures parallel

false

maxThreads
number, optional

maximum number of threads executed, ignored when argument "parallel" is set to false

20

Examples

luceescript+trycf fruits = "apple,pear,orange"; writedump(fruits); fruitsPlural = listMap( fruits, function(value, index, list) { return value & "s"; }); writedump(fruitsPlural);

See also