[ Version ( since = "1.8.0" ) ]
public Bool previous_range (ref Codepoint first, out Codepoint last)
Fetches the previous consecutive range of elements in set that are greater than current value of last.
Set first to SET_VALUE_INVALID to get started.
| first |
Input = The current first code point in the range Output = The first code point in the range |
| last |
The last code point in the range |
| set |
A set |
|
`true` if there was a previous range, `false` otherwise |