case *MapClaims:
				if data.tokenString == "" {
					data.tokenString = mapClaimsToken(claims)
				}
				err = ParseWithClaims(data.tokenString, &MapClaims{}, data.keyfunc)
			case *StandardClaims:
				if data.tokenString == "" {
					data.tokenString = standardClaimsToken(claims)
				}
				err = ParseWithStandardClaims(data.tokenString, &StandardClaims{}, []byte("HelloSecret"))
			}

	s.Whitespace = 0 // don't skip any whitespace
	tok := s.Scan()
	for i, ch := range str {
		if tok != ch {
			t.Fatalf("%d. tok = %s, want %s", i, TokenString(tok), TokenString(ch))
		}
		tok = s.Scan()
	}
	if tok != EOF {
		t.Fatalf("tok = %s, want EOF", TokenString(tok))
	}
	if s.ErrorCount != 0 {
		t.Errorf("%d errors", s.ErrorCount)
	}
}

func testScanSelectedMode(t *testing.T, mode uint, class rune) {

	}
	// Build simple token with updated expiration claim
	token := jwtgo.NewWithClaims(jwtgo.SigningMethodHS256, claimsMap)
	tokenString, err := token.SignedString(signKey)
	if err != nil {
		t.Error(err)
	}

	// Parse token to be sure it is valid
	err = jwtm.ParseWithClaims(tokenString, claimsMap, func(*jwtm.MapClaims) ([]byte, error) {
		return signKey, nil
	})
	if err != nil {
		t.Error(err)
	}
}

	p.error(fmt.Errorf(format, args...))
}

func (p *parser) expect(tok rune) string {
	lit := p.lit
	if p.tok != tok {
		p.errorf("expected %s, got %s (%s)", scanner.TokenString(tok), scanner.TokenString(p.tok), lit)
	}
	p.next()
	return lit
}

func (p *parser) expectEOL() {
	if p.version == "v1" || p.version == "v2" {
		p.expect(';')
	}
	p.expect('\n')
}

	skipComment
)

var tokenString = map[rune]string{
	EOF:       "EOF",
	Ident:     "Ident",
	Int:       "Int",
	Float:     "Float",
	Char:      "Char",
	String:    "String",
	RawString: "RawString",
	Comment:   "Comment",
}

// TokenString returns a printable string for a token or Unicode character.
func TokenString(tok rune) string {
	if s, found := tokenString[tok]; found {
		return s
	}

Matthew Dempsky <******@****.***> 1609198819 -0800

// Go source. After initialization, consecutive calls of
// next advance the scanner one token at a time.
//
// This file, source.go, tokens.go, and token_string.go are self-contained
// (`go tool compile scanner.go source.go tokens.go token_string.go` compiles)
// and thus could be made into their own package.

package syntax

import (
	"fmt"
	"io"
	"unicode"
	"unicode/utf8"
)

		{"Scanner.IsIdentRune", Field, 4},
		{"Scanner.Mode", Field, 0},
		{"Scanner.Position", Field, 0},
		{"Scanner.Whitespace", Field, 0},
		{"SkipComments", Const, 0},
		{"String", Const, 0},
		{"TokenString", Func, 0},
	},
	"text/tabwriter": {
		{"(*Writer).Flush", Method, 0},
		{"(*Writer).Init", Method, 0},
		{"(*Writer).Write", Method, 0},
		{"AlignRight", Const, 0},
		{"Debug", Const, 0},

pkg text/scanner, const ScanRawStrings ideal-int
pkg text/scanner, const ScanStrings ideal-int
pkg text/scanner, const SkipComments ideal-int
pkg text/scanner, const String ideal-int
pkg text/scanner, func TokenString(int32) string
pkg text/scanner, method (*Position) IsValid() bool
pkg text/scanner, method (*Scanner) Init(io.Reader) *Scanner
pkg text/scanner, method (*Scanner) IsValid() bool