SubVectorSpec<'T> (Deedle)

LookupRangeExecutor.SubVectorSpec<'T> Type

Sub-vector plan: callers compose `valueAt << MapRow` so OptionalValue sources stay typed.

Record Field	Description
`AsLong` Full Usage: `AsLong` Field type: `('T -> int64) option`	Field type: `('T -> int64) option`
`Length` Full Usage: `Length` Field type: `int64`	Field type: `int64`
`LookupRange` Full Usage: `LookupRange` Field type: `LookupRangeMode<'T>`	Field type: `LookupRangeMode<'T>`
`MapRow` Full Usage: `MapRow` Field type: `int64 -> int64`	Field type: `int64 -> int64`