go-pkg/expr
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

iterator.go: new error function errInvalidDataSource()

Browse Source
This commit is contained in:
Celestino Amoroso 2024-05-01 05:46:24 +02:00
parent 056d42d328
commit be874503ec
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
iterator.go
View File

@ -4,7 +4,10 @@
// iterator.go // iterator.go
package expr package expr
import "fmt" import (
"errors"
"fmt"
)
type Iterator interface { type Iterator interface {
Next() (item any, err error) // must return io.EOF after the last item Next() (item any, err error) // must return io.EOF after the last item
@ -17,3 +20,7 @@ type Iterator interface {
func errNoOperation(name string) error { func errNoOperation(name string) error {
return fmt.Errorf("no %q function defined in the data-source", name) return fmt.Errorf("no %q function defined in the data-source", name)
} }
func errInvalidDataSource() error {
return errors.New("invalid data-source")
}