Simplest way to sort list of objects

Question

I have a list of objects of type A. In a first iteration I assign each object a double value 0 < x < 1 and then want to sort each object according to it\'s x value.

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Answer 1

Use tuples instead of creating a new wrapper class.

List((1.2, "a1"), (0.1, "a2"), (0.9, "a3")).sorted
// List((0.1,a2), (0.9,a3), (1.2,a1))