ruby-uebungen/Assignment_021/solution/readme.md

# Lösung: Closure


```ruby
def create_counter
  n = 0 # closure
  Proc.new { n += 1 }
end

p = create_counter
puts p.call # -> 1
puts p.call # -> 2
```
Update of exercises 2023-05-25 17:47:19 +02:00			`# Lösung: Closure`
Initial commit 2023-05-23 09:19:31 +02:00
Update of exercises 2023-05-25 17:49:42 +02:00
			```ruby
Update of exercises 2023-05-25 17:47:19 +02:00			`def create_counter`
			`n = 0 # closure`
			`Proc.new { n += 1 }`
Initial commit 2023-05-23 09:19:31 +02:00			`end`

Update of exercises 2023-05-25 17:47:19 +02:00			`p = create_counter`
			`puts p.call # -> 1`
			`puts p.call # -> 2`
Initial commit 2023-05-23 09:19:31 +02:00			```