Static kCTBaselineClassRoman 

pub unsafe static kCTBaselineClassRoman: &'static CFString

Available on crate feature CTFont only.

kCTBaselineClassRoman

Key to reference the Roman baseline class.

This key can be used with a baseline info dictionary to offset to the Roman baseline as a CFNumberRef float. It can also be used as the value for kCTBaselineClassAttributeName.

See also Apple’s documentation