venomnert
Named functions and scopes
Would someone explain the following snippet of code
defmodule P do
def f, do: "I am P's f"
def g, do: f
end
iex> P.g
"I am P's f"
When I looked into it seems that ‘f’ inside of g/0 get’s treated as a function. However, how does f() become available to g/0. I thought named functions can’t access variables outside their scope unless unquote is used
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idi527
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LostKobrakai
defmodule P do
def f, do: "I am P's f"
def g, do: f()
end
The parenthesis on zero-arity function calls are optional even though it’s discouraged to skip them.
Last Post!
venomnert
Yep, that’s correct. I was able to confirm this over at Elixir Slack.
def g, do: f equals def g, do: P.f()
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