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- Hello.

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Welcome to Lesson Five.

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This lesson is all about
how to organize your data

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into interesting data structures.

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We'll begin by showing how
to create and use arrays.

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An array is a fixed size collection

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where each element is the same type.

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Then we'll see how to create tuples.

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A tuple is similar to an array,

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except that the elements
can be of different types.

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Finally, we'll see how
to use vectors and maps.

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These are standard collection
types in the Rust library.

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Vector is like a resizable array,

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and a map is like a
dictionary of key value pairs.

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A typical Rust application would make use

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of all these data types
somewhere or other.