Module unary

Traits

• CastFn
• FillForwardFn
  Trait for filling forward on an array, i.e., replacing nulls with the last non-null value.
• ScalarAtFn
  Implementation of scalar_at for an encoding.
• SubtractScalarFn

Functions

• fill_forward
• scalar_at
• subtract_scalar
• try_cast
  Attempt to cast an array to a desired DType.