Jonas Jenwald a2f9031e9a Ensure that Dict.set only accepts string keys
Trying to use a non-string `key` in a `Dict` is not intended, and would basically be an implementation error. Hence we can add a non-PRODUCTION check to enforce this, complementing the existing `value` check added in PR 11672.
2022-02-22 16:35:20 +01:00
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2013-03-15 11:24:08 -07:00