if err == nil {
		if err := checkGoMod(path, rev, data); err != nil {
			return "", nil, err
		}
	}

	return file, data, err
}

// readDiskCache is the generic "read from a cache file" implementation.
// It takes the revision and an identifying suffix for the kind of data being cached.
// It returns the name of the cache file and the content of the file.
// If the read fails, the caller can use

func (s *Signature) Underlying() Type { return s }
func (s *Signature) String() string   { return TypeString(s, nil) }

// ----------------------------------------------------------------------------
// Implementation

// funcType type-checks a function or method type.
func (check *Checker) funcType(sig *Signature, recvPar *syntax.Field, tparams []*syntax.Field, ftyp *syntax.FuncType) {
	check.openScope(ftyp, "function")

	name := f.Name.Name
	if g := mset[name]; g != nil && g.Doc != "" {
		// A function with the same name has already been registered;
		// since it has documentation, assume f is simply another
		// implementation and ignore it. This does not happen if the
		// caller is using go/build.ScanDir to determine the list of
		// files implementing a package.
		return
	}
	// function doesn't exist or has no documentation; use f

// implement special handling for certain types of errors.
//
// Error codes should be fine-grained enough that the exact nature of the error
// can be easily determined, but coarse enough that they are not an
// implementation detail of the type checking algorithm. As a rule-of-thumb,
// errors should be considered equivalent if there is a theoretical refactoring
// of the type checker in which they are emitted in exactly one place. For

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package facts defines a serializable set of analysis.Fact.
//
// It provides a partial implementation of the Fact-related parts of the
// analysis.Pass interface for use in analysis drivers such as "go vet"
// and other build systems.
//
// The serial format is unspecified and may change, so the same version

var tNow = time.Date(2013, 1, 1, 12, 0, 0, 0, time.UTC)

// testPSL implements PublicSuffixList with just two rules: "co.uk"
// and the default rule "*".
// The implementation has two intentional bugs:
//
//	PublicSuffix("www.buggy.psl") == "xy"
//	PublicSuffix("www2.buggy.psl") == "com"
type testPSL struct{}

func (testPSL) String() string {
	return "testPSL"
}

		return "Handshake"
	case QUICEncryptionLevelApplication:
		return "Application"
	default:
		return fmt.Sprintf("QUICEncryptionLevel(%v)", int(l))
	}
}

// A QUICConn represents a connection which uses a QUIC implementation as the underlying
// transport as described in RFC 9001.
//
// Methods of QUICConn are not safe for concurrent use.
type QUICConn struct {
	conn *Conn

	sessionTicketSent bool
}

				info.embeds = append(info.embeds, embs...)
			}
		}
	}

	return nil
}

// isValidImport checks if the import is a valid import using the more strict
// checks allowed by the implementation restriction in https://go.dev/ref/spec#Import_declarations.
// It was ported from the function of the same name that was removed from the
// parser in CL 424855, when the parser stopped doing these checks.

	if want := []string{"one"}; !Equal(singleton, want) {
		t.Errorf("Reverse(singeleton) = %v, want %v", singleton, want)
	}

	Reverse[[]string](nil)
}

// naiveReplace is a baseline implementation to the Replace function.
func naiveReplace[S ~[]E, E any](s S, i, j int, v ...E) S {
	s = Delete(s, i, j)
	s = Insert(s, i, v...)
	return s
}

func TestReplace(t *testing.T) {

// but it is also input to mksyscall,
// which parses the //sys lines and generates system call stubs.
// Note that sometimes we use a lowercase //sys name and
// wrap it in our own nicer implementation.

package syscall

import (
	"internal/itoa"
	runtimesyscall "internal/runtime/syscall"
	"runtime"
	"unsafe"
)

// Pull in entersyscall/exitsyscall for Syscall/Syscall6.
//