Revision 721ec1b2-f99c-4837-b5cd-e98b17d9da5e - Code Golf Stack Exchange

# [Go], <s>150</s> <s>145</s> <s>132</s> <s>129</s> 124 bytes

*-5 bytes thanks to sudee.*

I feel like I don't see enough Go here... But my answer is topping C so... pls halp golf?

 package main
 import(."fmt"
 ."time")
 func main(){s:=".... ";for{Print("\r["+s+"]");Sleep(Duration(1e8));s=(s+s)[9:19];}}

[Try it online!]

[Go]: https://golang.org/
[Try it online!]: https://tio.run/nexus/go#Hcq7CsMgFADQ3a8Id/IiFbI1kWz9gEDHNIPItZXWB2qmkM/ubEvOfFrS5q2f1HntAnM@xVy5BOsrMAnVeQJkdgvmDBz3Mk4g/7oTKBvzPmcXKodHXkAUASugun@IEr9tWVcXA@/piqjKxIsouAxjP6zqOFr7hngx2rzoBw "Go – TIO Nexus"