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Update 02-error-handling.md #300

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12 changes: 12 additions & 0 deletions documentation/tutorials/02-error-handling.md
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Expand Up @@ -442,7 +442,19 @@ defmodule EmailService do
# NEW: Backoff implementation
@impl true
def backoff(error, _arguments, context, _options) do

# Hello! I'm studying the examples from the documentation and really like your work.
# I ran into an issue where, in backoff/4, the error argument is already wrapped in a Reactor.Error.Invalid.RunStepError struct,
# so the backoff delay never triggers and the execution falls through to another branch, running without any delay.

# Unwrap the error if it's wrapped in a RunStepError
reason =
case error do
%Reactor.Error.Invalid.RunStepError{error: inner} -> inner
_ -> error
end

case reason do
%{type: :network_timeout} ->
# Exponential backoff for network issues
retry_count = Map.get(context, :current_try, 0)
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