Source file src/gopkg.in/yaml.v2/example_embedded_test.go

Documentation: gopkg.in/yaml.v2

     1  package yaml_test
     2  
     3  import (
     4  	"fmt"
     5  	"log"
     6  
     7  	"gopkg.in/yaml.v2"
     8  )
     9  
    10  // An example showing how to unmarshal embedded
    11  // structs from YAML.
    12  
    13  type StructA struct {
    14  	A string `yaml:"a"`
    15  }
    16  
    17  type StructB struct {
    18  	// Embedded structs are not treated as embedded in YAML by default. To do that,
    19  	// add the ",inline" annotation below
    20  	StructA `yaml:",inline"`
    21  	B       string `yaml:"b"`
    22  }
    23  
    24  var data = `
    25  a: a string from struct A
    26  b: a string from struct B
    27  `
    28  
    29  func ExampleUnmarshal_embedded() {
    30  	var b StructB
    31  
    32  	err := yaml.Unmarshal([]byte(data), &b)
    33  	if err != nil {
    34  		log.Fatalf("cannot unmarshal data: %v", err)
    35  	}
    36  	fmt.Println(b.A)
    37  	fmt.Println(b.B)
    38  	// Output:
    39  	// a string from struct A
    40  	// a string from struct B
    41  }
    42  

View as plain text