Railo 4.2 Reference
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Object Method Struct.filter

This function creates a new Struct that returns all entries from an struct that match the given filter.
Struct.filter(function filter,[boolean parallel,[number maxThreads]]):struct

Arguments

The arguments for this function are set. You can not use other arguments except the following ones.
Name Type Required Description
filter function  Yes filter can be a function/closure that implements the following constructor [function(any key,any value):boolean].
parallel boolean  No execute closures parallel
maxThreads number  No maximum number of threads executed, ignored when argument "parallel" is set to false