Trait arrow2::array::DictionaryKey
source · [−]pub trait DictionaryKey: NativeType + TryInto<usize> + TryFrom<usize> {
const KEY_TYPE: IntegerType;
unsafe fn as_usize(self) -> usize { ... }
}
Expand description
Trait denoting NativeType
s that can be used as keys of a dictionary.
Required Associated Constants
const KEY_TYPE: IntegerType
const KEY_TYPE: IntegerType
The corresponding IntegerType
of this key