schema 2022-01-14 | Slack Archive

Why is that valid?

(s/validate {:a [s/Str] s/Keyword s/Str} {:a []})

I would expect, that it would fail due to {s/Keyword s/Str}

dpsutton15:01:08

I think this can help shed some light:

(s/validate {s/Any s/Str s/Keyword s/Str} {:a []})
Execution error at schema.core/find-extra-keys-schema (core.clj:782).
More than one non-optional/required key schemata: [Any Keyword]

Schema is aware that both of these are generic and there’s no clear precedence. In yours, both :a and s/Keyword match, but it seems that Schema is aware of which one should take precedence. It doesn’t seem to stack them and goes with the most specific matcher

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2022-01-14

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