Create accepts a CreateOpts struct and creates a new subnet using the values provided. You must remember to provide a valid NetworkID, CIDR and IP version.
Delete accepts a unique ID and deletes the subnet associated with it.
Get retrieves a specific subnet based on its unique ID.
List returns a Pager which allows you to iterate over a collection of subnets. It accepts a ListOpts struct, which allows you to filter and sort the returned collection for greater efficiency.
Default policy settings return only those subnets that are owned by the tenant who submits the request, unless the request is submitted by a user with administrative rights.
func Update(c *gophercloud.ServiceClient, networkID string, opts os.UpdateOptsBuilder) os.UpdateResult
Update accepts a UpdateOpts struct and updates an existing subnet using the values provided.