next
next
You can use next to try to execute the next iteration of a while loop. After executing next, the while's condition is checked and, if truthy, the body will be executed.
a = 1
while a < 5
a += 1
if a == 3
next
end
puts a
end
# The above prints the numbers 2, 4 and 5
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https://crystal-lang.org/docs/syntax_and_semantics/next.html
