Container With Most Water with Golang

Container With Most Water - LeetCode

import "math"
func maxArea(height []int) int {
   var start  = 0
 var end = len(height) - 1 
 var maxArea float64  = 0
 var width = end;
 for start < end {
  maxArea = math.Max(maxArea, math.Min(float64(height[start]), float64(height[end]))* float64(width) )
  if(height[start] < height[end] ) {
  start++
  } else {
  end--
  }
  width--
  
 }
return int(maxArea);
}

https://play.golang.org/p/bTJ6IbcIzb2