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subject(camelTosnackCase): add readme

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hamza 2 years ago committed by José Rosendo
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      subjects/cameltosnakecase/README.md

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subjects/cameltosnakecase/README.md

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## Camel-to-snake-case
### Instructions
Write a function that converts a string from a camel case to a snake case.
- If the string is empty, return an empty string.
- If the string is not a camel case, return the string unchanged.
- If the string is a camel case, return the snake case version of the string.
### Expected function
```go
func CamelToSnakeCase(s string) string{
//Your code here
}
```
### Usage
```go
package main
import "fmt"
func main() {
fmt.Println(CamelToSnakeCase("HelloWorld"))
fmt.Println(CamelToSnakeCase("heloWorld"))
fmt.Println(CamelToSnakeCase("CamelToSnakeCase"))
fmt.Println(CamelToSnakeCase("132322"))
fmt.Println(CamelToSnakeCase(""))
}
```
and the output should be:
```console
$ go run . | cat -e
Hello_World$
helo_World$
Camel_To_Snake_Case$
132322$
$
```
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