Skip to main content

symbols in ruby

Symbols are good way to save memory,What's that mean?. When object is created each time in ruby it is allocated with a memory,when we instantiate same object again and again it will also create a additional new memory.But symbols don't lets look in to a example

When ever we instantiated the same object in each time the object_id of that string object gives different memory locations but in case of symbols memory location are same.Thats means symbols can hold the same for each call but string cannot.


Popular posts from this blog

creating first go program

for creating go program open your editor and paste this code, and save it as filename.go for example helloworld.go

package main import "fmt" func main() { fmt.Println("Hello, 世界") }
I will explain these codes in details for now , we will look how to run these code.

to run type go run helloworld.go  in terminal , we get

you can try golang online as well , golang