def Cursor.seek.if
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytesimport Base
833def Cursor.seek.if(ok: Bool, c: Cursor, +pos: U32) -> Cursor & Bool:
834 match ok:
835 case False{}:
836 (c, False{})
837 case True{}:
838 Cursor{b, old, start, end} = c
839 (Cursor{b, pos, start, end}, True{})