Sure. There's a semantic preference and also, in some cases, a performance boost too.
In C#, for example, using Enumerable.Empty<T>() will use a singleton underneath the covers so you aren't allocating an empty array on the heap.
Enumerable.Empty<T>()
In very specific situations that could help. Otherwise, it's mostly a semantic preference.
That enumerator was not good example. You can't compare mutable with immutable - in this case it is not about semantic.
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Sure. There's a semantic preference and also, in some cases, a performance boost too.
In C#, for example, using
Enumerable.Empty<T>()
will use a singleton underneath the covers so you aren't allocating an empty array on the heap.In very specific situations that could help. Otherwise, it's mostly a semantic preference.
That enumerator was not good example. You can't compare mutable with immutable - in this case it is not about semantic.