Minor: replace var with val.
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@@ -620,7 +620,7 @@ fun elements(): List<GenericFunction> {
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val iterator = iterator()
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if (!iterator.hasNext())
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throw NoSuchElementException("Collection is empty.")
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var single = iterator.next()
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val single = iterator.next()
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if (iterator.hasNext())
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throw IllegalArgumentException("Collection has more than one element.")
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return single
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@@ -633,7 +633,7 @@ fun elements(): List<GenericFunction> {
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val iterator = iterator()
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if (!iterator.hasNext())
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throw NoSuchElementException("Sequence is empty.")
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var single = iterator.next()
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val single = iterator.next()
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if (iterator.hasNext())
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throw IllegalArgumentException("Sequence has more than one element.")
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return single
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@@ -661,7 +661,7 @@ fun elements(): List<GenericFunction> {
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val iterator = iterator()
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if (!iterator.hasNext())
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return null
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var single = iterator.next()
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val single = iterator.next()
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if (iterator.hasNext())
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return null
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return single
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@@ -674,7 +674,7 @@ fun elements(): List<GenericFunction> {
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val iterator = iterator()
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if (!iterator.hasNext())
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return null
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var single = iterator.next()
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val single = iterator.next()
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if (iterator.hasNext())
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return null
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return single
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