merge_map 1.0.0

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  • Versions
  • 52


Combine multiple Maps into one. Equivalent to Object.assign in JS.


import "package:merge_map/merge_map.dart";

main() {
    Map map1 = {'hello': 'world'};
    Map map2 = {'foo': {'bar': 'baz', 'this': 'will be overwritten'}};
    Map map3 = {'foo': {'john': 'doe', 'this': 'overrides previous maps'}};
    Map merged = mergeMap(map1, map2, map3);

    // {hello: world, foo: {bar: baz, john: doe, this: overrides previous maps}}

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:

  merge_map: ^1.0.0

2. Install it

You can install packages from the command line:

with pub:

$ pub get

with Flutter:

$ flutter packages get

Alternatively, your editor might support pub get or flutter packages get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

import 'package:merge_map/merge_map.dart';
Version Uploaded Documentation Archive
1.0.0 Apr 28, 2016 Go to the documentation of merge_map 1.0.0 Download merge_map 1.0.0 archive
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Learn more about scoring.

We analyzed this package on Jul 20, 2018, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.0.0-dev.69.0
  • pana: 0.11.7


Detected platforms: Flutter, web, other

No platform restriction found in primary library package:merge_map/merge_map.dart.

Issues and suggestions


Changelog entries help clients to follow the progress in your code.

Add SDK constraint in pubspec.yaml.

For information about setting SDK constraint, please see

Package is too old.

The package was released more than two years ago.

Maintain an example.

Create a short demo in the example/ directory to show how to use this package. Common file name patterns include: main.dart, example.dart or you could also use merge_map.dart.

Format lib/merge_map.dart.

Run dartfmt to format lib/merge_map.dart.


Package Constraint Resolved Available
Dev dependencies
test >=0.12.13 <0.13.0