def ttf.kern
import gralha-truetype@0.1.0.1/font.bend as Fontimport Base
767def ttf.kern(+fc: TTFace, +left: U32, +leftClass: U32, +right: U32, +rightClass: U32) -> F32:
768 TTFace{b, f, pairs, cmap} = fc
769 TTPairs{specific, classes, coverage, class1, class2} = pairs
770 font.kern.value(ttf.kern.specific(b, specific, left, right), _ => ttf.kern.classes(b, classes, leftClass, rightClass))