expvarmon/stat.go

package main

// Stat holds basic statistics data for
// integer data used for sparklines.
type Stat struct {
	max    int
	maxStr string
}

// NewStat inits new Stat object.
func NewStat() *Stat {
	return &Stat{}
}

// Update updates stats on each push.
func (s *Stat) Update(v IntVar) {
	if v.Value() > s.max {
		s.max = v.Value()
		s.maxStr = v.String()
	}
}

// Max returns maximum recorded value.
func (s *Stat) Max() string {
	return s.maxStr
}