private

obj private $obj $key $val

sets value of private $key.

obj private $obj $key

returns value of private $key

Example:

% obj constructor morph {x0 y0 x1 y1 x2 y2 x3 y3} {
$self private start [new line -coords "$x0 $y0 $x1 $y1"]
$self private end [new line -coords "$x2 $y2 $x3 $y3"]
$self private line [new line]
}

ote:

nside methods, instead $self private, as syntactical sugar, you can use keyword my.

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