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errors.go
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/
errors.go
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package errors
import (
"fmt"
)
type Error interface {
error
WithCause(error) Error
WithSolution(string) Error
WithDetails(string) Error
}
func NewError(msg string, args ...interface{}) Error {
return &internalError{
msg: fmt.Sprintf(msg, args...),
}
}
type internalError struct {
msg string
cause error
solution string
details string
}
func (e *internalError) Error() string {
if e.cause != nil && len(e.cause.Error()) > 0 {
return e.msg + "; caused by: " + e.cause.Error()
}
return e.msg
}
func (e *internalError) Cause() error {
return e.cause
}
func (e *internalError) Solution() string {
return e.solution
}
func (e *internalError) Details() string {
return e.details
}
func (e *internalError) WithCause(err error) Error {
e.cause = err
return e
}
func (e *internalError) WithDetails(details string) Error {
e.details = details
return e
}
func (e *internalError) WithSolution(solution string) Error {
e.solution = solution
return e
}