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- sub flattenMap(%map) {
- %map.map(-> $parent {
- if $parent.value ~~ Map {
- # recursive case, flatten
- |flattenMap($parent.value).map({ "{$parent.key}.{.key}" => .value; });
- } else {
- # base case, leaf
- $parent.key => $parent.value;
- }
- });
- }
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