switch op {
	case opLt:
		return left < right
	case opLte:
		return left <= right
	case opGt:
		return left > right
	case opGte:
		return left >= right
	case opEq:
		return left == right
	case opIneq:
		return left != right
	}
	// This case does not happen
	return false
}

func boolCompare(op string, left, right bool) (bool, error) {
	switch op {
	case opEq:

					symmetry = uint64(len(p.Seq))%ss == 0
				} else {
					symmetry = ss%uint64(len(p.Seq)) == 0
				}
			}
		}
		// With no arg patterns, it is expected that user knows
		// the right symmetry, so either ellipses patterns are
		// provided (recommended) or no ellipses patterns.
		if _, ok := newSetCounts[ss]; !ok && (symmetry || argPatterns == nil) {
			newSetCounts[ss] = struct{}{}
		}
	}

// -- if input is RRS but RRS is not configured/initialized '-1' parity
//
//	for RRS is assumed, the caller is expected to choose the right parity
//	at that point.
//
// -- if input is STANDARD but STANDARD is not configured/initialized '-1' parity
//
//	is returned, the caller is expected to choose the right parity
//	at that point.
func (sCfg *Config) GetParityForSC(sc string) (parity int) {
	ConfigLock.RLock()

		// array second dimension represents list of disks used per set.
		Sets [][]string `json:"sets"`
		// Distribution algorithm represents the hashing algorithm
		// to pick the right set index for an object.
		DistributionAlgo string `json:"distributionAlgo"`
	} `json:"xl"`
}

// formatErasureV3 struct is same as formatErasureV2 struct except that formatErasureV3.Erasure.Version is "3" indicating

			}
			return value << shift
		case lex.RSH:
			p.next()
			shift := p.term()
			if int64(shift) < 0 {
				p.errorf("negative right shift count")
			}
			if int64(value) < 0 {
				p.errorf("right shift of value with high bit set")
			}
			value >>= shift
		case '&':
			p.next()
			value &= p.factor()
		default:
			return value
		}
	}
}

	if !retentionCfg.LockEnabled {
		if legalHoldRequested || retentionRequested {
			return mode, retainDate, legalHold, ErrInvalidBucketObjectLockConfiguration
		}

		// If this not a WORM enabled bucket, we should return right here.
		return mode, retainDate, legalHold, ErrNone
	}

	opts, err := getOpts(ctx, rq, bucket, object)
	if err != nil {
		return mode, retainDate, legalHold, toAPIErrorCode(ctx, err)
	}

		// Marker not common with prefix is not implemented. Send an empty response
		if !HasPrefix(o.Marker, o.Prefix) {
			return entries, io.EOF
		}
	}

	// With max keys of zero we have reached eof, return right here.
	if o.Limit == 0 {
		return entries, io.EOF
	}

	// For delimiter and prefix as '/' we do not list anything at all
	// along // with the prefix. On a flat namespace with 'prefix'

// then readFrom uses Seek to skip past holes defined in Header.SparseHoles,
// assuming that skipped regions are all NULs.
// This always reads the last byte to ensure r is the right size.
//
// TODO(dsnet): Re-export this when adding sparse file support.
// See https://golang.org/issue/22735
func (tw *Writer) readFrom(r io.Reader) (int64, error) {
	if tw.err != nil {
		return 0, tw.err
	}

// healSource denotes single entity and heal option.
type healSource struct {
	bucket    string
	object    string
	versionID string
	noWait    bool             // a non blocking call, if task queue is full return right away.
	opts      *madmin.HealOpts // optional heal option overrides default setting
}

// healSequence - state for each heal sequence initiated on the
// server.
type healSequence struct {

	lval, lerr := e.Left.evalNode(r, tableAlias)
	if lerr != nil || len(e.Right) == 0 {
		return lval, lerr
	}

	// Process remaining child nodes - result must be
	// numeric. This AST node is for terms separated by + or -
	// symbols.
	for _, rightTerm := range e.Right {
		op := rightTerm.Op
		rval, rerr := rightTerm.Right.evalNode(r, tableAlias)
		if rerr != nil {
			return nil, rerr
		}