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examplecompile_test.go
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/
examplecompile_test.go
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// 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"
"cuelang.org/go/cue"
"cuelang.org/go/cue/cuecontext"
)
func ExampleContext() {
ctx := cuecontext.New()
v := ctx.CompileString(`
a: 2
b: 3
"a+b": a + b
`)
p("lookups")
p("a: %v", v.LookupPath(cue.ParsePath("a")))
p("b: %v", v.LookupPath(cue.ParsePath("b")))
p(`"a+b": %v`, v.LookupPath(cue.ParsePath(`"a+b"`)))
p("")
p("expressions")
p("a + b: %v", ctx.CompileString("a + b", cue.Scope(v)))
p("a * b: %v", ctx.CompileString("a * b", cue.Scope(v)))
// Output:
// lookups
// a: 2
// b: 3
// "a+b": 5
// expressions
// a + b: 5
// a * b: 6
}
func p(format string, args ...interface{}) {
fmt.Printf(format+"\n", args...)
}