Module unary

Traits

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

Functions

• fill_forward
• scalar_at
• scalar_at_unchecked
  Returns a Scalar value without checking for validity or array bounds. Might panic OR return an invalid value if used incorrectly.
• subtract_scalar
• try_cast
  Attempt to cast an array to a desired DType.