Kotools Types
3.2.0
4.5.3
4.5.2
4.5.1
4.5.0
4.4.2
4.3.1
4.2.0
4.1.0
4.0.1
3.2.0
2.0.0
1.3.1
common
Kotools Types
/
kotools.types.collections
/
NotEmptyCollection
/
head
head
abstract
val
head
:
E
First element of this collection.