Std.Column.getF64
1 declaration
fn
getF64: &Std.Column.ColumnF64 -> Int -> Option[Float64]This is a callable function.
What it does
Retrieves the float scalar at row, returning None if the row is null or out of bounds.
Read the signature
- The text after the name is the type checked by Pudu.
- Read arrows from left to right: inputs come first, and the final type is returned.
- & borrows a value for this call instead of moving or copying it.
- Names inside [ ] are type arguments, such as the item type held by a collection.
- Option holds Some(value) or None when no value is available.
