Std.Db.value
1 declaration
fn
value: &Std.Db.Rows -> Int -> Str -> Option[Str]This is a callable function.
What it does
One value by row and column name, absent when either is missing or when the
column had no value.
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.
