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*View this file with results and syntax highlighting [here](https://mlochbaum.github.io/BQN/help/nothing.html).*
# Middle Dot (`·`)
## `·`: Nothing
### In Trains
Nothing can serve as a left argument in a train to string together multiple monadic functions.
(-+-) 5
(-·+-) 5
### In Block Headers
For Block header pattern matching syntax, Nothing can be used to indicate an unused value.
F ← {𝕊 a‿·‿b: a∾b}
F 1‿2‿3
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