pub fn sentinel() -> Segment {
        Segment {
            start: SENTINEL_SCALER,
            end: SENTINEL_SCALER,
            strategy: SegmentEncodingStrategy::Shift,
        }
    }
/// Returns a sentinel segment which is used to end a list of segments.
///
/// The segment starts and ends at [`SENTINEL_SCALER`].
///
/// Quoting the [OpenType specification][spec]:
///
/// > For the search to terminate, the final start code and endCode values must be 0xFFFF. This segment need not contain any valid mappings. (It can just map the single character code 0xFFFF to missingGlyph). However, the segment must be present.
///
/// [spec]: https://docs.microsoft.com/en-us/typography/opentype/spec/cmap#format-4-segment-mapping-to-delta-values
Returns a sentinel segment which is used to end a list of segments.
The segment starts and ends at [`SENTINEL_SCALER`].

Quoting the [OpenType specification][spec].

> For the search to terminate, the final start code and endCode values must be 0xFFFF. This segment need not contain any valid mappings. (It can just map the single character code 0xFFFF to missingGlyph). However, the segment must be present.


Returns a sentinel segment which is used to end a list of segments . The segment starts and ends at [ ` SENTINEL_SCALER ` ] . Quoting the [ OpenType specification ] [ spec ] . > For the search to terminate the final start code and endCode values must be 0xFFFF . This segment need not contain any valid mappings . ( It can just map the single character code 0xFFFF to missingGlyph ) . However the segment must be present .
pub fn sentinel() -> Segment {
        Segment {
            start: SENTINEL_SCALER,
            end: SENTINEL_SCALER,
            strategy: SegmentEncodingStrategy::Shift,
        }
    }
pub fn sentinel ( ) -> Segment { Segment { start : SENTINEL_SCALER , end : SENTINEL_SCALER , strategy : SegmentEncodingStrategy :: Shift , } }
Returns a sentinel segment which is used to end a list of segments.
Returns a sentinel segment which is used to end a list of segments .