| 66 | } |
| 67 | |
| 68 | func ExampleAttributes_String() { |
| 69 | type key struct{} |
| 70 | var typedNil *stringerVal |
| 71 | a1 := attributes.New(key{}, typedNil) // typed nil implements [fmt.Stringer] |
| 72 | a2 := attributes.New(key{}, (*stringerVal)(nil)) // typed nil implements [fmt.Stringer] |
| 73 | a3 := attributes.New(key{}, (*stringVal)(nil)) // typed nil not implements [fmt.Stringer] |
| 74 | a4 := attributes.New(key{}, nil) // untyped nil |
| 75 | a5 := attributes.New(key{}, 1) |
| 76 | a6 := attributes.New(key{}, stringerVal{s: "two"}) |
| 77 | a7 := attributes.New(key{}, stringVal{s: "two"}) |
| 78 | a8 := attributes.New(1, true) |
| 79 | fmt.Println("a1:", a1.String()) |
| 80 | fmt.Println("a2:", a2.String()) |
| 81 | fmt.Println("a3:", a3.String()) |
| 82 | fmt.Println("a4:", a4.String()) |
| 83 | fmt.Println("a5:", a5.String()) |
| 84 | fmt.Println("a6:", a6.String()) |
| 85 | fmt.Println("a7:", a7.String()) |
| 86 | fmt.Println("a8:", a8.String()) |
| 87 | // Output: |
| 88 | // a1: {"<%!p(attributes_test.key={})>": "<nil>" } |
| 89 | // a2: {"<%!p(attributes_test.key={})>": "<nil>" } |
| 90 | // a3: {"<%!p(attributes_test.key={})>": "<0x0>" } |
| 91 | // a4: {"<%!p(attributes_test.key={})>": "<%!p(<nil>)>" } |
| 92 | // a5: {"<%!p(attributes_test.key={})>": "<%!p(int=1)>" } |
| 93 | // a6: {"<%!p(attributes_test.key={})>": "two" } |
| 94 | // a7: {"<%!p(attributes_test.key={})>": "<%!p(attributes_test.stringVal={two})>" } |
| 95 | // a8: {"<%!p(int=1)>": "<%!p(bool=true)>" } |
| 96 | } |
| 97 | |
| 98 | // Test that two attributes with different content are not Equal. |
| 99 | func TestEqual(t *testing.T) { |