I used a collection in my application, because I thought I could use a string as key for the items in the collection, but I get an error.
Am I doing something wrong, or isn't it possible to use strings as keys?
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I used a collection in my application, because I thought I could use a string as key for the items in the collection, but I get an error.
Am I doing something wrong, or isn't it possible to use strings as keys?