26 lines
1 KiB
Markdown
26 lines
1 KiB
Markdown
# Belatuk Merge Map
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[](https://dart.dev/null-safety)
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[](https://github.com/dart-backend/belatuk-common-utilities/blob/main/packages/merge_map/LICENSE)
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**Replacement of `package:merge_map` with breaking changes to support NNBD.**
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Combine multiple Maps into one. Equivalent to
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[Object.assign](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)
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in JS.
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## Example
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```dart
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import "package:belatuk_merge_map/belatuk_merge_map.dart";
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void main() {
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Map map1 = {'hello': 'world'};
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Map map2 = {'foo': {'bar': 'baz', 'this': 'will be overwritten'}};
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Map map3 = {'foo': {'john': 'doe', 'this': 'overrides previous maps'}};
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Map merged = mergeMap(map1, map2, map3);
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// {hello: world, foo: {bar: baz, john: doe, this: overrides previous maps}}
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}
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```
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