Question 1

What’s included in initial troubleshooting?

Accepted Answer

For initial troubleshooting, the assigned Premium Support Engineer or Customer Reliability Engineer will review and acknowledge your ticket. They may request additional information such as screenshots, error messages, log files, diagnostics files, support bundles, or command output, and may collaborate with other support staff, engineering, or the regional incident commander. If a callback was requested, they will determine if screen sharing is the most effective way to drive ticket resolution and invite you to join a session.

Question 2

What are the limitations?

Accepted Answer

Mutable is limited to Haskell-specific advice and may not cover all edge cases or complex scenarios.

Question 3

What are the key features?

Accepted Answer

Immutable record recommendations, STM variable usage guidelines, and avoidance of IORef, STRef, and ST are the key features of Mutable.

Question 4

What is crisis prevention?

Accepted Answer

Crisis prevention allows GitHub Enterprise Server customers to prepare for—and experience—an incident without risk. Your Customer Reliability Engineer (CRE) guides your team through an incident simulation in a safe, controlled environment. Crisis Prevention consists of up to four sessions covering reliability best practices, incident preparation, and efficient interaction with GitHub Support. After the simulation, your CRE runs a detailed retrospective, uncovering lessons learned and improvement suggestions.

Question 5

How long does GitHub Premium Support take?

Accepted Answer

GitHub Premium Support and GitHub Premium Plus Support customers have service‑level agreements (SLAs) for initial response. For urgent priority tickets, the initial response SLA guarantees a 30‑minute response time, which includes troubleshooting. For high‑priority tickets, the SLA provides a four‑hour response. Resolution times are not estimated because ticket complexity varies, but we review metrics regularly and aim to reduce times.

Question 6

What variables should be avoided?

Accepted Answer

Mutable variables like IORef, STRef, and ST should be avoided in Haskell, and instead, STM variables such as TVar should be used for thread communication.

Question 7

What virtual trainings are available with GitHub Premium Plus Support and who can participate?

Accepted Answer

Customers get access to one virtual training class per year. Topics include: GitHub for developers, GitHub for admins (Server), GitHub for admins (Cloud), GitHub for non-developers, GH API Training, GH Actions Fundamentals, GH Actions Intermediate, GH Copilot Fundamentals, GH Copilot Intermediate, GH Copilot Administration & Security, GitHub Enterprise Implementation (Cloud). We recommend limiting training sessions to a maximum of 16 participants to ensure an optimal provider-to-participant ratio and a high-quality delivery experience. In specific cases we can accommodate up to 20–25 participants while maintaining our commitment to delivering a valuable training experience.

Question 8

What is Mutable's purpose?

Accepted Answer

Mutable provides security-tested data-ai skills for Claude AI, focusing on avoiding mutable variables in Haskell and preferring immutable records.

Mutable (Grade A)Security-tested data-ai skill for Claude AI. Grade A. 不揮発性の変数やIORef、STRef、STを避けましょう。代わりにSTM変数にTVarやTMVar、TChan、TQueue、TBQueueを使います。

概要

主な機能

料金

ユースケース

Haskellコードのレビュー

Haskellの同時処理

メリット & デメリット

メリット

デメリット

レビュー

Q&A

質問する

東学サェソーの代替

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概要