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@section Variables |
@section Variables |
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@tpindex Variables |
@tpindex Variables |
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Each module has its own hash table, sometimes known as an @dfn{obarray}, |
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that maps the names defined in that module to their corresponding |
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variable objects. |
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Variables are objects with two fields. They contain a value and they |
Variables are objects with two fields. They contain a value and they |
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can contain a symbol, which is the name of the variable. A variable is |
can contain a symbol, which is the name of the variable. A variable is |
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said to be bound if it does not contain the object denoting unbound |
said to be bound if it does not contain the object denoting unbound |