Dear all,
I have some problems using clojure.spec: ? does not work as I would expect
it. Instead of specifying an optional value, it seems that such values are
never permitted, and instead the next value is always matched. Please see
the short example demonstration below. BTW, * seems to cause the same
problem.
What am I missing?
(ns test-ns
(:require [clojure.spec :as spec]))
(spec/def ::test-spec (spec/cat :symbol symbol?
:optional-string (spec/? string?)
:int int?))
(spec/valid? ::test-spec '[test 42]) ; -> true
(spec/valid? ::test-spec '[test "my string" 42]) ; -> false
(spec/explain ::test-spec '[test "my string" 42])
;; In: [1] val: "my string" fails spec: :clojure2minizinc.core/test-spec
at: [:int] predicate: int?
Best,
Torsten
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