Rollup merge of #69501 - matthiaskrgr:find_note, r=ecstatic-morse
Rollup merge of #69501 - matthiaskrgr:find_note, r=ecstatic-morse

note that find(f) is equivalent to filter(f).next() in the docs.

r? @ecstatic-morse

aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust