blob: 330234d974916dcc3167f08c1d5f0f3b86633770 [file] [log] [blame]
// Copyright 2021 CUE Authors
//
// Licensed 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 cue_test
import (
"fmt"
"io/ioutil"
"os"
"cuelang.org/go/cue"
"cuelang.org/go/internal/cuetxtar"
"github.com/rogpeppe/go-internal/txtar"
)
func load(file string) *cue.Instance {
dir, _ := ioutil.TempDir("", "*")
defer os.RemoveAll(dir)
inst := cue.Build(cuetxtar.Load(txtar.Parse([]byte(file)), dir))[0]
if err := inst.Err; err != nil {
panic(err)
}
return inst
}
func ExampleHid() {
const file = `
-- cue.mod/module.cue --
module: "acme.com"
-- main.cue --
import "acme.com/foo:bar"
bar
_foo: int // scoped in main (anonymous) package
baz: _foo
-- foo/bar.cue --
package bar
_foo: int // scoped within imported package
bar: _foo
`
v := load(file).Value()
v = v.FillPath(cue.MakePath(cue.Hid("_foo", "acme.com/foo:bar")), 1)
v = v.FillPath(cue.MakePath(cue.Hid("_foo", "_")), 2)
fmt.Println(v.LookupPath(cue.ParsePath("bar")).Int64())
fmt.Println(v.LookupPath(cue.ParsePath("baz")).Int64())
// Output:
// 1 <nil>
// 2 <nil>
}