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Map enumerations should omit unset shadow keys #129

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issa-tseng opened this issue Sep 7, 2018 · 0 comments

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bug

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issa-tseng commented Sep 7, 2018

So,

m1 = new Map({ x: 42 });
m2 = m1.shadow();
m2.unset('x');
m2.enumeration();

should be empty. But right now it has x as null.

issa-tseng changed the title ~~Map enumerations should probably omit unset shadow keys~~ Map enumerations should omit unset shadow keys

issa-tseng added the bug label

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