polygon>double-face ( polygon mode -- edge )

Vocabulary

euler.modeling

Inputs

polygon	an object
mode	an object

Outputs

edge

an object

Definition

USING: kernel sets ;

IN: euler.modeling

: polygon>double-face ( polygon mode -- edge )
    drop dup all-unique? [
        "polygon>double-face doesn't support repeating vertices yet"
        throw
    ] unless (polygon>double-face) ;