true if there was a previous value, false otherwisesetPrevious
fn
harfbuzz.types.Bool setPrevious(harfbuzz.set.Set set, ref harfbuzz.types.Codepoint codepoint)Fetches the previous element in set that is lower than current value of codepoint.
Set codepoint to #HB_SET_VALUE_INVALID to get started.
Parameters
set | A set |
codepoint | Input = Code point to query |
Output | Code point retrieved |