davideisinger.com

commit fe096bf93990a770a5ab0f5664ec84dc2687eb54
parent e21e901ef097173279efd2d9e357f97235a91451
Author: David Eisinger <[email protected]>
Date:   Sun, 16 Jul 2023 22:30:48 -0400

Stringers

Diffstat:
M
content/notes/golang/index.md
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/content/notes/golang/index.md b/content/notes/golang/index.md
@@ -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.Float64`: random float between 0.0. and 1.0
   * `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
 [18]: https://go.dev/doc/effective_go#named-results