Error #exists? is not implemented for Aws::IAM::User

[bilus]

bundle update

Installing aws-sdk-core 2.1.0 (was 2.0.31)
Installing aws-sdk-resources 2.1.0 (was 2.0.31)
Installing aws-sdk 2.1.0 (was 2.0.31)

iam = Aws::IAM::Client.new(region: 'eu-central-1')
user = Aws::IAM::User.new(name: 'xxxxx', client: iam)
user.exists?

=> #exists? is not implemented for Aws::IAM::User

[trevorrowe]

The resource classes require a waiter they can poll once to determine if the resource exists. There were no waiters defined for Aws::IAM, so I added a user exists waiter to meet this need.

[bilus]

Thanks!