Too many arguments to return have (error) want ()

Getting Help
1

I’m using validation library which is hosted on Github…

Inside main function i have written this code to validate library

schema, err := jsonschema.Compile(“schemas/purchaseOrder.json”)
if err != nil {
return err
}
f, err := os.Open(“purchaseOrder.json”)
if err != nil {
return err
}
defer f.Close()
if err = schema.Validate(f); err != nil {
return err
}

If i try to return the occurring validation exceptions means its throwing exception like this

.\validation.go:12:2: too many arguments to return
have (error)
want ()
.\validation.go:16:3: too many arguments to return
have (error)
want ()
.\validation.go:20:3: too many arguments to return
have (error)
want ()

for each error return its throwing exception
but i want to use return (return err) only i don’t want to use panic
I’m new this programming
Any suggestions to sort this issue

2

Is validation.go your file or is it part of the library? Which are the lies 12, 16 and 20?

3

Capture
Capture566×675 21.5 KB

Its just file

4

You can’t return an error from main. Log it and exit.

This has nothing to do with the JSON library.

5

I can use it but if want to print the exception means how to do it?

6

You can use fmt.Println() or its friends.

1 Like
7

I usually use another function to do real work. Example:

https://play.golang.org/p/HIHuEjBkL83

Good luck!

Jeff Kayser

8

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