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macros.markdown: add () to nullary macros#1406

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Merged
josevalim merged 1 commit into from
Jun 20, 2020
Merged

macros.markdown: add () to nullary macros #1406

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6 changes: 3 additions & 3 deletions getting-started/meta/macros.markdown
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Original file line numberDiff line numberDiff line change
Expand Up@@ -126,7 +126,7 @@ defmodule HygieneTest do
def go do
require Hygiene
a = 13
Hygiene.no_interference
Hygiene.no_interference()
a
end
end
Expand All@@ -148,7 +148,7 @@ defmodule HygieneTest do
def go do
require Hygiene
a = 13
Hygiene.interference
Hygiene.interference()
a
end
end
Expand All@@ -174,7 +174,7 @@ defmodule Sample do
end
end

Sample.quoted #=>{:x, [line: 3], Sample}
Sample.quoted() #=>{:x, [line: 3], Sample}
```

Notice that the third element in the quoted variable is the atom `Sample`, instead of `nil`, which marks the variable as coming from the `Sample` module. Therefore, Elixir considers these two variables as coming from different contexts and handles them accordingly.
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