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Stringers

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David Eisinger
2023-07-16 22:30:48 -04:00
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content/notes/golang/index.md
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@@ -136,6 +136,9 @@ I find [Go][1] really compelling, even though it's not super applicable to my jo
* `rand.Intn`: random integer between 0 and the specified int * `rand.Intn`: random integer between 0 and the specified int
* `rand.Float64`: random float between 0.0. and 1.0 * `rand.Float64`: random float between 0.0. and 1.0
* `rand.Shuffle`: randomize an array/slice; takes a length and a swap function * `rand.Shuffle`: randomize an array/slice; takes a length and a swap function
* Stringers
* Define a `String() string` method for types so that `fmt` knows how to stringify them
* E.g. `fmt.Sprintf("%s", yourThing)` will call `yourThing`'s `String()` function
[17]: https://stackoverflow.com/a/40951013 [17]: https://stackoverflow.com/a/40951013
[18]: https://go.dev/doc/effective_go#named-results [18]: https://go.dev/doc/effective_go#named-results