true if there was a next value, false otherwisemapNext
fn
harfbuzz.types.Bool mapNext(harfbuzz.map.Map map, ref int idx, out harfbuzz.types.Codepoint key, out harfbuzz.types.Codepoint value)Fetches the next key/value pair in map.
Set idx to -1 to get started.
If the map is modified during iteration, the behavior is undefined.
The order in which the key/values are returned is undefined.
Parameters
map | A map |
idx | Iterator internal state |
key | Key retrieved |
value | Value retrieved |