mirror of
https://github.com/IBM/fp-go.git
synced 2025-06-17 00:07:49 +02:00
24 lines
642 B
Go
24 lines
642 B
Go
package errors
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
A "github.com/ibm/fp-go/array"
|
|
)
|
|
|
|
// OnNone generates a nullary function that produces a formatted error
|
|
func OnNone(msg string, args ...any) func() error {
|
|
return func() error {
|
|
return fmt.Errorf(msg, args...)
|
|
}
|
|
}
|
|
|
|
// OnError generates a unary function that produces a formatted error. The argument
|
|
// to that function is the root cause of the error and the message will be augmented with
|
|
// a format string containing %w
|
|
func OnError(msg string, args ...any) func(error) error {
|
|
return func(err error) error {
|
|
return fmt.Errorf(msg+", Caused By: %w", A.ArrayConcatAll(args, A.Of[any](err))...)
|
|
}
|
|
}
|