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Go type conversion/assertion

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David Eisinger
2023-07-13 22:27:48 -04:00
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content/notes/golang/index.md
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@@ -108,6 +108,11 @@ I find [Go][1] really compelling, even though it's not super applicable to my jo
> The reason for this is because the names are not really important for someone calling a method or a function. What matters is the types of the parameters and their order. This is detailed in this answer: [Getting method parameter names in Golang](https://stackoverflow.com/questions/31377433/getting-method-parameter-names-in-golang/31377793#31377793) > The reason for this is because the names are not really important for someone calling a method or a function. What matters is the types of the parameters and their order. This is detailed in this answer: [Getting method parameter names in Golang](https://stackoverflow.com/questions/31377433/getting-method-parameter-names-in-golang/31377793#31377793)
* [Named result parameters][18] * [Named result parameters][18]
* Type Conversion & Assertion
* Built-in functions for conversion (`float64`, `strconv.Atoi`)
* `if v, ok := fnb.(FancyNumber); ok {` (`v` is a `FancyNumber` if `ok` is true)
* `switch v := i.(type) {` (case per type, `v` is `i` cast to that type)
[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