Spark.Core.Column
type Column ref a
type DynColumn
type GenericColumn ref
asCol
asCol'
pack1
pack
pack'
struct
struct'
castCol
castCol'
colRef
(//)
(/-)
data StaticColProjection from to
data DynamicColProjection
unsafeStaticProjection
dropColType
colType
untypedCol
colFromObs
colFromObs'
applyCol1