ListSome()

This function calls a given closure/function with every element in a given string list and returns true, if one of the closure calls returns true.

ListSome( list=string, closure=function, delimiter=string, includeEmptyFields=boolean, multiCharacterDelimiter=boolean, parallel=boolean, maxThreads=number );

Returns: Boolean

Argument Description Default
list
string, required

string list to iterate

Alias: string
closure
function, required

function/closure that implements the following constructor [function(any value, numeric index,string list, string delimiter):boolean].

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

Alias: maxThreadCount

20

Examples

list=",,a,,b,c,,e,f";
// base test
res=ListSome(list, function(value ){return value =='a';},',',false,true, true);
writeDump(res);
res=ListSome(list, function(value ){return value =='z';},',',false,true,false);
writeDump(res);

See also