Question 1

How to parse relative time strings like '2 days ago' in Go?

Accepted Answer

Toolbox provides TimeAt and TimeDiff functions for this. Use TimeAt("2 days ago") to get a time.Time object, or TimeDiff with a base time for more control. It handles timezone suffixes like 'in UTC' automatically.

Question 2

Toolbox vs go-funk for collection utilities?

Accepted Answer

Toolbox offers broader utilities including time parsing, REST routing, and logging, while go-funk focuses solely on collections. Choose Toolbox for an all-in-one solution, but prefer go-funk if you need lightweight, specialized collection functions without extra dependencies.

Question 3

Is Toolbox's ServiceRouter production-ready for REST APIs?

Accepted Answer

ServiceRouter is lightweight and suitable for simple APIs, but lacks advanced features like middleware, rate limiting, or OpenAPI integration. It's best for internal or prototype services; for complex APIs, consider frameworks like Gin or Echo.

Question 4

How to convert a struct to a map with custom tags using Toolbox?

Accepted Answer

Use the Converter with a keyTag parameter. Initialize with NewConverter and call AssignConverted, passing the struct and a map pointer. The tag maps fields to keys, similar to JSON marshaling but more flexible.

Question 5

What are the performance costs of Toolbox's reflection utilities?

Accepted Answer

Reflection-based functions like struct scanning can be slower than direct code, especially in hot paths. The README suggests custom HandlerInvokers for ServiceRouter to avoid reflection, but other utilities may still impact latency-sensitive applications.

Question 6

Can Toolbox handle file logging with automatic rotation?

Accepted Answer

Yes, the FileLogger supports rotation via file templates with Java-style time formats (e.g., /tmp/log[yyyyMMdd].log). It queues writes and flushes based on configurable size or frequency, optimizing disk I/O as shown in the configuration example.

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