DataFrameException when the lengths differ.Column.this
this
(string name, const(T)[] values)Constructs from plain values, with no nulls. The constraint resolves the ambiguity the unconstrained pair has for Nullable!T[] (fact 9): optional input goes to the Nullable overload.
Parameters
name | the column name |
values | the column values |
this
(string name, const(Nullable!T)[] values)Constructs from optional values; null entries become null slots.
Parameters
name | the column name |
values | the optional column values |
this
(string name, const(T)[] values, const(bool)[] valid)Constructs from plain values plus a validity array (true = valid).
Parameters
name | the column name |
values | the column values (values.length == valid.length required) |
valid | the validity of each slot |