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Adds EnumerableMap. #2072

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MicahZoltu wants to merge 3 commits into from
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Adds EnumerableMap. #2072

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4037951
Adds EnumerableMap.
Jan 30, 2020
3752ee6
Adds getter.
Jan 30, 2020
17e64fb
Makes get throw instead of returning a sentinel value.
Feb 1, 2020
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Adds getter.
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Micah Zoltu authored Jan 30, 2020
commit 3752ee6d92e6063a887a817f6f4cd376f3401032
4 changes: 4 additions & 0 deletions contracts/utils/EnumerableMap.sol
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Expand Up @@ -60,6 +60,10 @@ library EnumerableMap {
require(map.entries[index].key != key, "Removed key still exists in the array at original index.");
}

function get(Map storage map, address key) internal view returns (uint8) {
return map.entries[map.index[key]].value;
}

function enumerate(Map storage map) internal view returns (Entry[] memory) {
Entry[] memory output = new Entry[](map.entries.length - 1);

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