Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
thank you, I will try
There's a difference between an empty string
""andnulland it looks like you're returningnullinstead of"".expected:<[]> but was:<[null]>
I had a error like this.
When given string is null, Function returns " ",but it is not working.
What should I do?
Any help?