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The groovy way to see if something is in a list is to use "in"
if('b' in ['a','b','c']) However how do you nicely see if something is not in a collection?
if(!('g' in ['a','b','c'])) Seems messy and the "!" is hidden to the casual glance. Is there a more idiomatic groovy way to do this?
Thanks!
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Groovy - Lists contains() Returns true if this List contains the specified value.
The collect() method in Groovy can be used to iterate over collections and transform each element of the collection. The transformation is defined in as a closure and is passed to the collect() method. But we can also add an initial collection to which the transformed elements are added.
Groovy - contains()Checks if a range contains a specific value.
Arrays. An Array is an object that contains elements of similar data type. Groovy reuses the list notation for arrays, but to make such literals arrays, you need to explicitly define the type of the array through coercion or type declaration. You can also create multi-dimensional arrays.
Another way to write it is with contains, e.g.
if (!['a', 'b', 'c'].contains('b')) It saves the extra level of parentheses at the cost of replacing the operator with a method call.
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