Dictionaries

The puzzles from this category allow you to effectively store, transfer and retrieve various data. Particularly, a dictionary is useful for storing multiple parameters and for passing them in bulk from and to JavaScript and over network.

Contents

• Puzzles Reference
  • create empty dict
  • create dict with
  • dict set key
  • dict get key
  • get keys
  • dict check key
  • dict remove key
  • is empty
• See Also

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Puzzles Reference

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create empty dict

Returns a dictionary containing no data records.

In JavaScript, a dictionary is represented by an Object without any properties, that is { }.

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create dict with

Returns a dictionary with given keys and values.

Keys/values can be lists:

or multi-line texts, where each line represents a key or value:

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dict set key

Sets the item to be associated with a specified key in a dictionary. The key must be a text, while the assigned value may be of any type (text, number, list, other dictionary, etc).

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dict get key

Returns the item associated with a specified key in a dictionary.

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get keys

Returns a list of all keys present in a dictionary.

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dict check key

Checks if a specified key is present in a dictionary, and returns the Boolean-typed result true or false.

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dict remove key

Removes the item associated with a specified key in a dictionary, and deletes the key itself.

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is empty

Checks if a specified dictionary contains no keys, and returns the Boolean-typed result true or false.

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See Also

Dictionaries store elements by names. If you need an ordered storage with indexed elements, refer to lists.

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