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gotour-notes/errors/errors.go

32 lines
558 B
Go

package main
import (
"fmt"
"time"
)
type SMBError struct {
What string
When time.Time
}
// the receiver and that which is returned from generate_error must match
// types. You may change this to an SMBError pointer recevier, or change the
// return from generate_error to be an address.
func (e SMBError) Error() string {
return fmt.Sprintf("%v at %v", e.What, e.When)
}
func generate_error() error {
return SMBError{
"Here is a silly error",
time.Now(),
}
}
func main() {
if err := generate_error(); err != nil {
fmt.Println(err)
}
}