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Нашёл занятную библиотеку с не менее занятным названием - goed verhaal - реализующую монаду для отката произвольных эффектов при возникновении исключений.

Saga (а именно так эта монада называется) может быть полезной, если вы встраиваете нетранзакционные действия внутрь ConnectionIO через liftIO или, наоборот, осуществляете транзакции в контексте F[_]. Важно помнить, что откат операции тоже может упасть с ошибкой, но на остальные rollback-действия это не повлияет.

Несмотря на то, что написана библиотека почти год назад, ввиду единственной основной зависимости (cats-effect) она может быть легко скомпилирована с Scala 2.13 уже сейчас. В тестах, правда, придётся избавиться от зависимости на cats-scalatest (или подождать, пока её скомпилируют с 2.13) и удалить несколько флагов компилятора из build.sbt.

Scala bin
Нашёл занятную библиотеку с не менее занятным названием - goed verhaal - реализующую монаду для отката произвольных эффектов при возникновении исключений.

Saga (а именно так эта монада называется) может быть полезной, если вы встраиваете нетранзакционные действия внутрь ConnectionIO через liftIO или, наоборот, осуществляете транзакции в контексте F[_]. Важно помнить, что откат операции тоже может упасть с ошибкой, но на остальные rollback-действия это не повлияет.

Несмотря на то, что написана библиотека почти год назад, ввиду единственной основной зависимости (cats-effect) она может быть легко скомпилирована с Scala 2.13 уже сейчас. В тестах, правда, придётся избавиться от зависимости на cats-scalatest (или подождать, пока её скомпилируют с 2.13) и удалить несколько флагов компилятора из build.sbt.
GitHub
GitHub - vectos/goedverhaal: Deal with failures
Deal with failures. Contribute to vectos/goedverhaal development by creating an account on GitHub.
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Pinterest (PINS) closed at $71.75 in the latest trading session, marking a -0.18% move from the prior day. This change lagged the S&P 500's daily gain of 0.1%. Meanwhile, the Dow gained 0.9%, and the Nasdaq, a tech-heavy index, lost 0.59%. Heading into today, shares of the digital pinboard and shopping tool company had lost 17.41% over the past month, lagging the Computer and Technology sector's loss of 5.38% and the S&P 500's gain of 0.71% in that time. Investors will be hoping for strength from PINS as it approaches its next earnings release. The company is expected to report EPS of $0.07, up 170% from the prior-year quarter. Our most recent consensus estimate is calling for quarterly revenue of $467.87 million, up 72.05% from the year-ago period.

Нашёл занятную библиотеку с не менее занятным названием - goed verhaal - реализующую монаду для отката произвольных эффектов при возникновении исключений.

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