Function rerun::external::re_chunk::util::arrays_to_dictionary

source · 
pub fn arrays_to_dictionary<Idx>(
    array_datatype: &DataType,
    arrays: &[Option<(Idx, &(dyn Array + 'static))>]
) -> Option<DictionaryArray<i32>>
where
    Idx: Copy + Eq,
Expand description

Create a sparse dictionary-array out of an array of (potentially) duplicated arrays.

The Idx is used as primary key to drive the deduplication process. Returns None if any of the specified arrays doesn’t match the given array_datatype.

Returns an empty dictionary if arrays is empty.