all: fix some typos in comments

Change-Id: I5d5f6cc4a6984b8577e8178082bc60dfe08107b6
GitHub-Last-Rev: 16ede6b
GitHub-Pull-Request: #490
Reviewed-on: https://go-review.googlesource.com/c/tools/+/580156
Reviewed-by: Ian Lance Taylor <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Jonathan Amsterdam <[email protected]>
Auto-Submit: Ian Lance Taylor <[email protected]>

go/types/typeutil/map_test.go

@@ -45,7 +45,7 @@ func TestAxioms(t *testing.T) {
 func TestMap(t *testing.T) {
 	var tmap *typeutil.Map
 
-	// All methods but Set are safe on on (*T)(nil).
+	// All methods but Set are safe on (*T)(nil).
 	tmap.Len()
 	tmap.At(tPStr1)
 	tmap.Delete(tPStr1)

gopls/internal/cache/metadata/metadata.go

@@ -154,7 +154,7 @@ func (mp *Package) String() string { return string(mp.ID) }
 // to discard them before requesting type checking, or the products of
 // type-checking such as the cross-reference index or method set index.
 //
-// MetadataForFile doesn't do this filtering itself becaused in some
+// MetadataForFile doesn't do this filtering itself because in some
 // cases we need to make a reverse dependency query on the metadata
 // graph, and it's important to include the rdeps of ITVs in that
 // query. But the filtering of ITVs should be applied after that step,

gopls/internal/protocol/generate/main.go

@@ -172,7 +172,7 @@ func writeprotocol() {
 	fmt.Fprintln(out, fileHdr)
 	out.WriteString("import \"encoding/json\"\n\n")
 
-	// The followiing are unneeded, but make the new code a superset of the old
+	// The following are unneeded, but make the new code a superset of the old
 	hack := func(newer, existing string) {
 		if _, ok := types[existing]; !ok {
 			log.Fatalf("types[%q] not found", existing)

gopls/internal/test/integration/bench/repo_test.go

@@ -135,7 +135,7 @@ type repo struct {
 	inDir  *string // if set, use this dir as url@commit, and don't delete
 
 	dirOnce sync.Once
-	dir     string // directory contaning source code checked out to url@commit
+	dir     string // directory containing source code checked out to url@commit
 
 	// shared editor state
 	editorOnce sync.Once

gopls/internal/test/integration/misc/webserver_test.go

@@ -183,7 +183,7 @@ func Constructor() Type
 	})
 }
 
-// viewPkgDoc invokes the "View package documention" code action in
+// viewPkgDoc invokes the "View package documentation" code action in
 // the specified file. It returns the URI of the document, or fails
 // the test.
 func viewPkgDoc(t *testing.T, env *Env, filename string) protocol.URI {

internal/apidiff/testdata/tests.go

@@ -62,7 +62,7 @@ type u1 int
 var V5 u1
 
 // new
-var V5 u2 // OK: V5 has changed type, but old u1 corresopnds to new u2
+var V5 u2 // OK: V5 has changed type, but old u1 corresponds to new u2
 
 //// Splitting a single type into two is an incompatible change.
 // both

internal/diff/lcs/old.go

@@ -86,7 +86,7 @@ func (lcs lcs) toDiffs(alen, blen int) []Diff {
 
 // --- FORWARD ---
 
-// fdone decides if the forwward path has reached the upper right
+// fdone decides if the forward path has reached the upper right
 // corner of the rectangle. If so, it also returns the computed lcs.
 func (e *editGraph) fdone(D, k int) (bool, lcs) {
 	// x, y, k are relative to the rectangle

internal/diff/lcs/old_test.go

@@ -129,7 +129,7 @@ func TestRandOld(t *testing.T) {
 }
 
 // TestDiffAPI tests the public API functions (Diff{Bytes,Strings,Runes})
-// to ensure at least miminal parity of the three representations.
+// to ensure at least minimal parity of the three representations.
 func TestDiffAPI(t *testing.T) {
 	for _, test := range []struct {
 		a, b                              string

internal/facts/facts.go

@@ -295,10 +295,10 @@ func (s *Set) Encode() []byte {
 		// we aren't careful about which structs or methods
 		// we rexport: it should be only those referenced
 		// from the API of s.pkg.
-		// TOOD(adonovan): opt: be more precise. e.g.
+		// TODO(adonovan): opt: be more precise. e.g.
 		// intersect with the set of objects computed by
 		// importMap(s.pkg.Imports()).
-		// TOOD(adonovan): opt: implement "shallow" facts.
+		// TODO(adonovan): opt: implement "shallow" facts.
 		if k.pkg != s.pkg {
 			if k.obj == nil {
 				continue // imported package fact

internal/facts/facts_test.go

@@ -272,7 +272,7 @@ type pkgLookups struct {
 //  2. calls (*facts.Decoder).Decode to load the facts exported by its imports,
 //  3. exports a myFact Fact for all of package level objects,
 //  4. For each lookup for the current package:
-//     4.a) lookup the types.Object for an Go source expression in the curent package
+//     4.a) lookup the types.Object for a Go source expression in the current package
 //     (or confirms one is not expected want=="no object"),
 //     4.b) finds a Fact for the object (or confirms one is not expected want=="no fact"),
 //     4.c) compares the content of the Fact to want.

internal/jsonrpc2_v2/jsonrpc2_test.go

@@ -240,7 +240,7 @@ func newResults(expect interface{}) interface{} {
 func verifyResults(t *testing.T, method string, results interface{}, expect interface{}) {
 	if expect == nil {
 		if results != nil {
-			t.Errorf("%v:Got results %+v where none expeted", method, expect)
+			t.Errorf("%v:Got results %+v where none expected", method, expect)
 		}
 		return
 	}

internal/typeparams/common.go

@@ -73,7 +73,7 @@ func IsTypeParam(t types.Type) bool {
 // implements the following rule for uninstantiated generic types:
 //
 // If V and T are generic named types, then V is considered assignable to T if,
-// for every possible instantation of V[A_1, ..., A_N], the instantiation
+// for every possible instantiation of V[A_1, ..., A_N], the instantiation
 // T[A_1, ..., A_N] is valid and V[A_1, ..., A_N] implements T[A_1, ..., A_N].
 //
 // If T has structural constraints, they must be satisfied by V.

internal/typesinternal/errorcode.go

@@ -1449,10 +1449,10 @@ const (
 	NotAGenericType
 
 	// WrongTypeArgCount occurs when a type or function is instantiated with an
-	// incorrent number of type arguments, including when a generic type or
+	// incorrect number of type arguments, including when a generic type or
 	// function is used without instantiation.
 	//
-	// Errors inolving failed type inference are assigned other error codes.
+	// Errors involving failed type inference are assigned other error codes.
 	//
 	// Example:
 	//  type T[p any] int