Polyfill symbols in set, map and array alike #1880
Merged
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Fixes #1878, an omission in Set backport. Reuses existing utils. Should restore IE11 compatibility.
Added unit testsCan't, tests use modern Node which has an okay Symbol.Updated changelogNot creating a new version myself. Or should I write log anyway?or as separate PR on the). For new functionality, at least API.md should be updatedgh-pages
branch. Please refer to this PRAdded typescript typingsRegression fix, no API change.npm run perf
npm run test:performance
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