typed.go
func (t Typed) FloatOr(key string, d float64) float64 {
	if value, exists := t.FloatIf(key); exists {
		return value
	}
	return d
}
func (t Typed) FloatOr(key string, d float64) float64 {
	if value, exists := t.FloatIf(key); exists {
		return value
	}
	return d
}
func ( t Typed ) FloatOr ( key string , d float64 ) float64 { if value , exists := t . FloatIf ( key ) ; exists { return value } return d }
// Returns a float at the key, or the specified
// value if it doesn't exist or isn't a float
Returns a float at the key or the specified value if it doesn t exist or isn t a float