Question 1

How do I format a duration to show only days and hours in durafmt?

Accepted Answer

Use the LimitFirstN() method after parsing. For example, durafmt.Parse(duration).LimitFirstN(2) will output the first two parts, such as '2 weeks 18 hours' if the duration includes those units, based on the order in the formatted string.

Question 2

Is durafmt better than Go's standard time.Duration formatting for user interfaces?

Accepted Answer

Yes, for user-facing applications, durafmt produces more readable and natural language strings, while Go's default formatting can be cryptic. However, for internal logging or performance-critical code, the standard library might be sufficient and faster.

Question 3

Can durafmt handle durations with milliseconds or microseconds?

Accepted Answer

Yes, it supports microsecond precision through custom units. As shown in the README, you can define units like 'milissegundo' and 'microssegundo' using durafmt.Units{} and format durations accordingly.

Question 4

How to install durafmt in a Go project?

Accepted Answer

Run 'go get github.com/hako/durafmt' to install. Then import it in your code and use functions like durafmt.ParseString() for string inputs or durafmt.Parse() for time.Duration types to format durations.

Question 5

Is durafmt thread-safe for concurrent use?

Accepted Answer

The library uses immutable types and doesn't mention shared state, so it's generally safe for concurrent reads. However, always test in your specific context, as concurrent parsing of different durations should not cause issues.

Question 6

How can I localize durafmt for a language like Spanish?

Accepted Answer

Create custom units in Spanish using durafmt.Units{}. For instance, decode units like "año,semana,día,hora,minuto,segundo" with durafmt.DefaultUnitsCoder.Decode() and apply them via the Format() method.

durafmt

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