src/main/java/com/basistech/tclre/ColorMap.java
void uncolorchain(Arc a) {
        ColorDesc cd = colorDescs.get(a.co);
        Arc aa;

        aa = cd.arcs;
        if (aa == a) {      /* easy case */
            cd.arcs = a.colorchain;
        } else {
            for (; aa != null && aa.colorchain != a; aa = aa.colorchain) {
                //
            }
            assert aa != null;
            aa.colorchain = a.colorchain;
        }

        a.colorchain = null;    /* paranoia */
    }
void uncolorchain(Arc a) {
        ColorDesc cd = colorDescs.get(a.co);
        Arc aa;

        aa = cd.arcs;
        if (aa == a) {      /* easy case */
            cd.arcs = a.colorchain;
        } else {
            for (; aa != null && aa.colorchain != a; aa = aa.colorchain) {
                //
            }
            assert aa != null;
            aa.colorchain = a.colorchain;
        }

        a.colorchain = null;    /* paranoia */
    }
void uncolorchain ( Arc a ) { ColorDesc cd = colorDescs . get ( a . co ) ; Arc aa ; aa = cd . arcs ; if ( aa == a ) { /* easy case */ cd . arcs = a . colorchain ; } else { for ( ; aa != null && aa . colorchain != a ; aa = aa . colorchain ) { // } assert aa != null ; aa . colorchain = a . colorchain ; } a . colorchain = null ; /* paranoia */ }
uncolorchain - delete this arc from the color chain of its color
uncolorchain - delete this arc from the color chain of its color