< Rebol Programming  
        
      USAGE:
EDGE-SIZE? face
DESCRIPTION:
Return total size of face edge (both sides), even if missing edge.
EDGE-SIZE? is a function value.
ARGUMENTS
- face -- (Type: object)
 
SOURCE CODE
edge-size?: func [
    {Return total size of face edge (both sides), even if missing edge.} 
    face [object!]
][
    either face/edge [face/edge/size * 2] [0x0]
]
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