func()

in json/visitor.go [380:419]

• 33 lines of code
• 7 McCabe index (conditional complexity)

func (vs *Visitor) onNumber(neg bool, u uint64) error {
	if neg {
		u = -u
	}
	i := len(vs.scratch)

	// common case: use constants for / because
	// the compiler can optimize it into a multiply+shift
	if ^uintptr(0)>>32 == 0 {
		for u > uint64(^uintptr(0)) {
			q := u / 1e9
			us := uintptr(u - q*1e9) // us % 1e9 fits into a uintptr
			for j := 9; j > 0; j-- {
				i--
				qs := us / 10
				vs.scratch[i] = byte(us - qs*10 + '0')
				us = qs
			}
			u = q
		}
	}

	// u guaranteed to fit into a uintptr
	us := uintptr(u)
	for us >= 10 {
		i--
		q := us / 10
		vs.scratch[i] = byte(us - q*10 + '0')
		us = q
	}
	// u < 10
	i--
	vs.scratch[i] = byte(us + '0')

	if neg {
		i--
		vs.scratch[i] = '-'
	}
	return vs.w.write(vs.scratch[i:])
}