vm: rework `in` operator semantics

jow- / ucode

JavaScript-like language with optional templating

ISC License

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Closed jow- closed 3 months ago

jow- commented 3 months ago

Ensure that testing for array membership does strict equality tests
Ensure that (NaN in [ NaN ]) == true
Do not perform implicit value conversion when testing for object keys, to avoid nonsensical results such as ([] in { "[ ]": true }) == true
Add test cases for the in operator

Fixes: #193

eric-j-ason commented 3 months ago

Great! Thanks! Looking forward to seeing it in OpenWrt.