1 // Copyright 2018 The CUE Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package parser_test 16 17 import ( 18 "fmt" 19 20 "cuelang.org/go/cue/parser" 21 ) 22 23 func ExampleParseFile() { 24 // Parse some CUE source but stop after processing the imports. 25 f, err := parser.ParseFile("example.cue", ` 26 import "math" 27 28 foo: 1 29 bar: "baz" 30 `, parser.ImportsOnly) 31 if err != nil { 32 fmt.Println(err) 33 return 34 } 35 36 // Print the imports from the file's AST. 37 for _, s := range f.Imports { 38 fmt.Println(s.Path.Value) 39 } 40 // Output: 41 // "math" 42 } 43