动态规划-盛水最多容器 golang

func maxArea(height []int) int {
    var result int
    var pos_left,pos_right = 0, len(height) - 1
    for (pos_left<pos_right && pos_left <len(height) && pos_right > 0){
        var cur int
        if height[pos_left] < height[pos_right] {
            cur = height[pos_left] * (pos_right - pos_left)
            pos_left ++
        } else {
            cur = height[pos_right] * (pos_right - pos_left)
            pos_right --
        }
        if cur > result {
            result = cur
        }
    }

    return result
}