(doc update-vals)
-------------------------
clojure.core/update-vals
([m f])
m f => {k (f v) ...}
Given a map m and a function f of 1-argument, returns a new map where the keys of m
are mapped to result of applying f to the corresponding values of m.
说明:"...返回一个新的映射,其中m的>>>键<<<映射到..."。这应该是"values",而不是"keys"。很可能是从update-keys文档字符串中剪贴粘贴下来的遗留项。