Method isHigh

chapter21/src/main/java/com/seaofnodes/simple/type/Type.java:85–85

()

    // Is high or on the lattice centerline.
    public boolean isHigh       () { return _type==TTOP || _type==TXCTRL || _type==TXNIL; }
    public boolean isHighOrConst() { return isHigh() || isConstant(); }

    // Strict constant values, things on the lattice centerline.