[ Version ( since = "1.8.0" ) ]
public Bool previous (ref Codepoint codepoint)
Fetches the previous element in set that is lower than current value of codepoint.
Set codepoint to SET_VALUE_INVALID to get started.
| codepoint |
Input = Code point to query Output = Code point retrieved |
| set |
A set |
|
`true` if there was a previous value, `false` otherwise |