rectangle-left Macro

Summary

Gets and set the left element of a rectangle.

Package

graphics-ports

Signature

rectangle-left rectangle => left

Arguments

rectangle⇩

A rectangle.

Values

left⇩

A real number.

Description

The macro rectangle-left returns and via setf sets the left element of rectangle. rectangle-left can also be used with setf to set the left element of rectangle.

rectangle is a list of numbers (left top right bottom).