Sequences

Sequences are ordered groups of objects, there are several primitive types which can be considered sequences, each with its own good and bad points.

A sequence is either an array or a list, where an array is either a vector or a string.

Function: sequencep object

This function returns t if object is a sequence, nil otherwise.

• Cons Cells: An ordered pair of two objects
• Lists: Chains of cons cells
• Vectors: A chunk of memory holding a number of objects
• Strings: Strings are efficiently-stored vectors
• Array Functions: Accessing elements in vectors and strings
• Sequence Functions: These work on any type of sequence

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