// MustDec will panic if Dec fails.
MustDec will panic if Dec fails.
// MustDec will panic if Dec fails .
func (g *PCPGauge) MustDec(val float64) {
	if err := g.Dec(val); err != nil {
		panic(err)
	}
}
func ( g * PCPGauge ) MustDec ( val float64 ) { if err := g . Dec ( val ) ; err != nil { panic ( err ) } }
MustDec will panic if Dec fails.
MustDec will panic if Dec fails .