textual-port-closed -- r7rs Type

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Super-types

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• textual-port;
• port-closed;

Super-types recursive

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• port;

Sub-types

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• textual-input-port-closed;
• textual-output-port-closed;

Predicate

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(lambda (value) (and (textual-port? value) (not (or (input-port-open? value) (output-port-open? value)))))

Categories

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• types-ports;

Categories recursive

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• types;