def blank.check
import bend-toon-codec@0.1.0.0/src/frame.bend as Frameimport Base
238# A content line at depth `d` after a blank: it is inside the array when the
239# array's child depth is at most `d`.
240def blank.check(+st: St, +d: U32, +strict: Bool) -> Result<&2, &2, String, St>:
241 blank.if(strict && U32.is_le(bmin.of(st), d), st)