Transforms can be stateless or stateful. A stateless transform is just a function that takes chunks and returns transformed chunks:
쿠팡 김범석, 정보유출 99일만에 영어로 “사과”
，这一点在搜狗输入法2026中也有详细论述
What the Online Safety Act is - and how to keep children safe online
slice backing store of the correct size, and append never has to do