OCLOperators asCommaList

The asCommaList operator takes a collection of strings and appends them to 1 resulting string with commas between:

Set{'x','y','x'}->asCommaList()

Will produce 'x,y,z'

See also: asSeparatedList

Turn a comma-separated back into a collection of strings:
<string>.split(',')->collect(s|s.trim)

See also: split

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