notEmptySetOf
@Since(version = KotoolsTypesVersion.V4_0_0)
Creates a NotEmptySet starting with a head and containing all the elements of the optional tail.
Calling from Kotlin
Here's an example of calling this function from Kotlin code:
val integers: NotEmptySet<Int> = notEmptySetOf(1, 2, 3, 1)
assertEquals(expected = "[1, 2, 3]", actual = "$integers")
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