A key function. Each element of the collection is passed to that function and then sorted based on the function's result. An underscore ( _ ) represents a placeholder, which is the value itself (dynamic reference).
arg2
A collection to be sorted.
Examples
Let's say we're given a response with the following vehicle information:
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{
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"data":{
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"fleet_prices":[16000,17450,9200],
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"fleet_names":["BMW","Audi","Mercedes Benz"]
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}
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}
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Example 1: Sort prices by numerical value
If we want to organize these prices by basic numerical value, we can use SORT with the dynamic references themselves serving as a sorting function.
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# Sort prices using dynamic references
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SORT(_, data.fleet_prices)
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​
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# Returns [9200, 16000, 17450]
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Example 2: Sort strings using same arguments
We can also sort strings using SORT with dynamic references.
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# Sort strings using dynamic references
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SORT(_, data.fleet_names)
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​
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# Returns ["Audi", "BMW", "Mercedes Benz"]
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Example 3: Sort using a dynamic reference
We can also apply a function such as LEN to the dynamic reference. This sorts by length of string.
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# Sort strings using the LEN function with dynamic references