Twig: in_array or similar possible within if statement?

Question

I am using Twig as templating engine and I am really loving it. However, now I have run in a situation which definitely mustbe accomplishable in a simpler way than I have fo

Answer 1

Though The above answers are right, I found something more user-friendly approach while using ternary operator.

{{ attachment in item['Attachments'][0] ? 'y' : 'n' }}

If someone need to work through foreach then,

{% for attachment in attachments %}
    {{ attachment in item['Attachments'][0] ? 'y' : 'n' }}
{% endfor %}