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B.5 Extension API

Macro: defoption CLASS SUPERCLASSES SLOTS &rest OPTIONS ¶

see New Option Classes

Generic Function: check OPTION VALUE ¶

See Value Check Protocol.

Error Condition: option-error OPTION ¶

Error Condition: invalid-value VALUE COMMENT ¶

See Value Check Protocol.

Generic Function: convert OPTION ARGUMENT ¶

See Argument Conversion Protocol.

Error Condition: invalid-argument ARGUMENT COMMENT ¶

See Argument Conversion Protocol.

Generic Function: stringify OPTION VALUE ¶

See Value Stringification Protocol.