Sometimes I've wanted a function that takes a value and a bunch of tests,
and returns it if it passes every test, otherwise nil.
So I wrote if-and:
(if-and "foo"
string?
#(.startsWith % "f")
#(.contains % "oo"))
;; => "foo"
(if-and "foo"
string?
#(.startsWith % "f")
#(.contains % "NOT IN THE STRING"))
;; => nil
Source: https://github.com/evanescence/if-and/blob/master/src/if_and/core.clj
Does this seem useful enough to put into core?
-Steven
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