C# LINQ Select to Dictionary.md

Example of LINQ Select and ToDictionary with parallel execution of tasks

var dataSource = new List<object>() { "aaa" , "bbb" };
var tasks = dataSource.Select(async data => new { Key = data.ToString(), Value = await AsyncDoSomething(data.ToString()) });
var results = await Task.WhenAll(tasks);
Dictionary<string, int> dictionary = results.ToDictionary(pair => pair.Key, pair => pair.Value);

Adapted from this Stackoverflow answer.

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Reference:

• The .NET Standard Query Operators