what is the function create_look_ahead_mask using?

bryanlimy / tf2-transformer-chatbot

Transformer Chatbot in TensorFlow 2 with TPU support.

MIT License

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Open moseshu opened 2 years ago

moseshu commented 2 years ago

I dont unstand what this method "create_look_ahead_mask" using for? if there is no this fucntion,what will happend?