$predicate ( element -- )

Vocabulary

help

Inputs

element

a markup element of the form { word }

Outputs

None

Word description

Prints the boilerplate description of a class membership predicate word such as array? or integer?.

Definition

USING: help.markup kernel make sequences words ;

IN: help

: $predicate ( element -- )
    { { "object" object } { "?" boolean } } $values [
        "Tests if the object is an instance of the " ,
        first "predicating" word-prop <$link> , " class." ,
    ] { } make $description ;