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errors.go
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/
errors.go
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// Copyright 2016 The OPA Authors. All rights reserved.
// Use of this source code is governed by an Apache2
// license that can be found in the LICENSE file.
package repl
import "fmt"
// Error is the error type returned by the REPL.
type Error struct {
Code string
Message string
}
func (err *Error) Error() string {
return fmt.Sprintf("code %v: %v", err.Code, err.Message)
}
const (
// BadArgsErr indicates bad arguments were provided to a built-in REPL
// command.
BadArgsErr string = "bad arguments"
)
func newBadArgsErr(f string, a ...interface{}) *Error {
return &Error{
Code: BadArgsErr,
Message: fmt.Sprintf(f, a...),
}
}
// stop is returned by the 'exit' command to indicate to the REPL that it should
// break and return.
type stop struct{}
func (stop) Error() string {
return "<stop>"
}