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use parentheses for zero arity function calls #99

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16 changes: 16 additions & 0 deletions README.md
Original file line number Diff line number Diff line change
@@ -354,6 +354,22 @@ def some_function(_),
end
```

* Use parentheses for calls to function with a zero arity so they can be destinguished from variables.

```elixir
defp do_stuff, do: ...

# not preferred
def my_func do
do_stuff # is this a variable or a function call
end

# preferred
def my_func do
do_stuff() # this is clearly a function call
end
```


### Naming