SLOT-PROTOCOL:
Factor handbook » The language » Objects » Delegation

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Vocabulary
delegate

Syntax

SLOT-PROTOCOL: protocol-name slots... ;

Word description
Defines a protocol consisting of reader and writer words for the listed slot names.

Definition

USING: arrays kernel lexer parser sequences slots ;

IN: delegate

SYNTAX: SLOT-PROTOCOL:
    scan-new-word ";"
    [ [ reader-word ] [ writer-word ] bi 2array ] map-tokens
    concat define-protocol ;