opendap/src/main/java/opendap/servers/parsers/AST.java
void walk(ServerArrayMethods sam, int index)
        throws InvalidDimensionException, SBHException
    {
        sam.setProjection(index, (int) start, (int) stride, (int) stop);
    }
void walk(ServerArrayMethods sam, int index)
        throws InvalidDimensionException, SBHException
    {
        sam.setProjection(index, (int) start, (int) stride, (int) stop);
    }
/*
public String toString()
{
if (stride == 1) {
if (first == last)
return String.format("[%d]", first);
else
return String.format("[%d:%d]", first, last);
} else
return String.format("[%d:%d:%d]", first, stride, last);
}