Zulip Chat Archive
Stream: new members
Topic: brackets
Alex Zhang (Jul 09 2021 at 17:02):
What is the difference between {} and {{}} for declaring variables?
Kevin Buzzard (Jul 09 2021 at 17:03):
This is discussed in section 6.5 of TPIL. It's all to do with whether you want the unification system to fill in the missing values eagerly or lazily.
Last updated: Dec 20 2023 at 11:08 UTC