tree ab0a0d4c1822fbfed7b922bf0046d0b5db153230
parent b318c4997c76ff98c246f4d88a748c93d74ccf3d
author Ovilia <zwl.sjtu@gmail.com> 1708415867 +0800
committer Ovilia <zwl.sjtu@gmail.com> 1708415867 +0800

doc: update half donut example