36 lines
1.3 KiB
Go
36 lines
1.3 KiB
Go
// Licensed to Pulumi Corporation ("Pulumi") under one or more
|
|
// contributor license agreements. See the NOTICE file distributed with
|
|
// this work for additional information regarding copyright ownership.
|
|
// Pulumi licenses this file to You under the Apache License, Version 2.0
|
|
// (the "License"); you may not use this file except in compliance with
|
|
// the License. You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package contract
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
const requireMsg = "A precondition has failed for %v"
|
|
|
|
// Require checks a precondition condition pertaining to a function parameter, and Fails if it is false.
|
|
func Require(cond bool, param string) {
|
|
if !cond {
|
|
failfast(fmt.Sprintf(requireMsg, param))
|
|
}
|
|
}
|
|
|
|
// Requiref checks a precondition condition pertaining to a function parameter, and Failfs if it is false.
|
|
func Requiref(cond bool, param string, msg string, args ...interface{}) {
|
|
if !cond {
|
|
failfast(fmt.Sprintf("%v: %v", fmt.Sprintf(requireMsg, param), fmt.Sprintf(msg, args...)))
|
|
}
|
|
}
|