[Relaunch] Suggested changes in code snippets
beta-ziliani opened this issue · comments
Syntax:
- It was wrong (crashed with empty string)
- It was suggesting to press play, but no play button so far
Suggestion:
class String
def longest_repetition?
max = chars
.chunk(&.itself)
.map(&.last)
.max_by?(&.size)
{max[0], max.size} if max
end
end
puts "aaabb".longest_repetition? # => {'a', 3}
Concurrency
Add some forced sleep to enforce the notion of concurrent events
Suggestion:
channel = Channel(Int32).new
3.times do |i|
spawn do
3.times do |j|
sleep rand(100).milliseconds
channel.send 10 * (i + 1) + j
end
end
end
9.times do
puts channel.receive
end