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golang os.seek-set

The os.SeekSet constant is used as the ‘whence’ parameter in the Seek method of an os.File object. It represents the beginning of a file, so when used with Seek it sets the offset to ‘offset’ bytes from the beginning of the file.

Here’s an example:

file, err := os.Open("myfile.txt")
if err != nil {
    log.Fatal(err)
}
defer file.Close()

offset, err := file.Seek(0, os.SeekSet)
if err != nil {
    log.Fatal(err)
}
fmt.Println("Offset:", offset) // prints "Offset: 0"

In this example, we open a file called “myfile.txt” and use the Seek method to set the offset to 0 bytes from the beginning of the file. The returned value is printed out for confirmation.

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