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Indexing

The indexing operators are [] and ``.". The [] operator is used to index a vector or an array with a numeric subscript, or a record with a string subscript. The result of the indexing for a vector or array operand has the same type as the initial vector or array. A record has a type which is either that of the specified field, or record if more than one field is specified. (See § 3.1.4, § 3.4.4, § 3.4.3, § 3.6, and § 3.7.2 for details.)

The ``." operator retrieves a particular field from a record.

    a.name

is equivalent to

    a["name"]

(See § 3.4.2, page .)