github.com/v2fly/tools@v0.100.0/internal/lsp/testdata/deep/deep.go (about)

     1  package deep
     2  
     3  import "context"
     4  
     5  type deepA struct {
     6  	b deepB //@item(deepBField, "b", "deepB", "field")
     7  }
     8  
     9  type deepB struct {
    10  }
    11  
    12  func wantsDeepB(deepB) {}
    13  
    14  func _() {
    15  	var a deepA   //@item(deepAVar, "a", "deepA", "var")
    16  	a.b           //@item(deepABField, "a.b", "deepB", "field")
    17  	wantsDeepB(a) //@deep(")", deepABField, deepAVar)
    18  
    19  	deepA{a} //@snippet("}", deepABField, "a.b", "a.b")
    20  }
    21  
    22  func wantsContext(context.Context) {}
    23  
    24  func _() {
    25  	context.Background() //@item(ctxBackground, "context.Background", "func() context.Context", "func", "Background returns a non-nil, empty Context.")
    26  	context.TODO()       //@item(ctxTODO, "context.TODO", "func() context.Context", "func", "TODO returns a non-nil, empty Context.")
    27  
    28  	wantsContext(c) //@rank(")", ctxBackground),rank(")", ctxTODO)
    29  }
    30  
    31  func _() {
    32  	// deepCircle is circular.
    33  	type deepCircle struct {
    34  		*deepCircle
    35  	}
    36  	var circle deepCircle   //@item(deepCircle, "circle", "deepCircle", "var")
    37  	*circle.deepCircle      //@item(deepCircleField, "*circle.deepCircle", "*deepCircle", "field")
    38  	var _ deepCircle = circ //@deep(" //", deepCircle, deepCircleField)
    39  }
    40  
    41  func _() {
    42  	type deepEmbedC struct {
    43  	}
    44  	type deepEmbedB struct {
    45  		deepEmbedC
    46  	}
    47  	type deepEmbedA struct {
    48  		deepEmbedB
    49  	}
    50  
    51  	wantsC := func(deepEmbedC) {}
    52  
    53  	var a deepEmbedA //@item(deepEmbedA, "a", "deepEmbedA", "var")
    54  	a.deepEmbedB     //@item(deepEmbedB, "a.deepEmbedB", "deepEmbedB", "field")
    55  	a.deepEmbedC     //@item(deepEmbedC, "a.deepEmbedC", "deepEmbedC", "field")
    56  	wantsC(a)        //@deep(")", deepEmbedC, deepEmbedA, deepEmbedB)
    57  }
    58  
    59  func _() {
    60  	type nested struct {
    61  		a int
    62  		n *nested //@item(deepNestedField, "n", "*nested", "field")
    63  	}
    64  
    65  	nested{
    66  		a: 123, //@deep(" //", deepNestedField)
    67  	}
    68  }
    69  
    70  func _() {
    71  	var a struct {
    72  		b struct {
    73  			c int
    74  		}
    75  		d int
    76  	}
    77  
    78  	a.d   //@item(deepAD, "a.d", "int", "field")
    79  	a.b.c //@item(deepABC, "a.b.c", "int", "field")
    80  	a.b   //@item(deepAB, "a.b", "struct{...}", "field")
    81  	a     //@item(deepA, "a", "struct{...}", "var")
    82  
    83  	// "a.d" should be ranked above the deeper "a.b.c"
    84  	var i int
    85  	i = a //@deep(" //", deepAD, deepABC, deepA, deepAB)
    86  }
    87  
    88  type foo struct {
    89  	b bar
    90  }
    91  
    92  func (f foo) bar() bar {
    93  	return f.b
    94  }
    95  
    96  func (f foo) barPtr() *bar {
    97  	return &f.b
    98  }
    99  
   100  type bar struct{}
   101  
   102  func (b bar) valueReceiver() int {
   103  	return 0
   104  }
   105  
   106  func (b *bar) ptrReceiver() int {
   107  	return 0
   108  }
   109  
   110  func _() {
   111  	var (
   112  		i int
   113  		f foo
   114  	)
   115  
   116  	f.bar().valueReceiver    //@item(deepBarValue, "f.bar().valueReceiver", "func() int", "method")
   117  	f.barPtr().ptrReceiver   //@item(deepBarPtrPtr, "f.barPtr().ptrReceiver", "func() int", "method")
   118  	f.barPtr().valueReceiver //@item(deepBarPtrValue, "f.barPtr().valueReceiver", "func() int", "method")
   119  
   120  	i = fbar //@fuzzy(" //", deepBarValue, deepBarPtrPtr, deepBarPtrValue)
   121  }
   122  
   123  func (b baz) Thing() struct{ val int } {
   124  	return b.thing
   125  }
   126  
   127  type baz struct {
   128  	thing struct{ val int }
   129  }
   130  
   131  func (b baz) _() {
   132  	b.Thing().val    //@item(deepBazMethVal, "b.Thing().val", "int", "field")
   133  	b.thing.val      //@item(deepBazFieldVal, "b.thing.val", "int", "field")
   134  	var _ int = bval //@rank(" //", deepBazFieldVal, deepBazMethVal)
   135  }