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joshuatbrown/list_add_if_not_null.groovy

Created October 27, 2009 21:17
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A method for list that only adds the object if it's not null
Raw
list_add_if_not_null.groovy
List.metaClass.addIfNotNull = {
if (it != null) add(it)
}
def list = []
list.addIfNotNull(null)
assert 0 == list.size()
list.addIfNotNull("foo")
assert 1 == list.size()
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