1 min read TIL

TIL: Ruby's Loop Automatically Breaks at the End of Iteration

Autobreaking loops with iterators

The loop statement doesn't get a lot of love, but it will automatically catch a StopIteration error and break nicely.

iter = (1..3).each
loop do
  p iter.next
end
# 1
# 2
# 3

You might also like...

Dec
07
Ruby Matrix

Ruby Matrix

Using the Matrix class in place of 2d arrays
1 min read
Dec
05
TSort: Ruby's built-in topological sort algorithm

TSort: Ruby's built-in topological sort algorithm

Sorting directed graphs
1 min read
Jul
26
Non-Blocking Methods Ruby

Non-Blocking Methods Ruby

Writing Ruby methods that return immediately on blocking operations
3 min read
Mar
06
Ruby, Async and HTTP

Ruby, Async and HTTP

Using async-http with HTTP/2
1 min read
Dec
08
Ruby's Anonymous Parameter Forwarding

Ruby's Anonymous Parameter Forwarding

Summarising argument forwarding
2 min read

Member discussion