package data
import (
"strconv"
"time"
"github.com/nordsieck/defect"
)
const (
ErrWrongNumFields = defect.Error("Wrong number of fields")
ErrInvalidLeadFollow = defect.Error("Invalid lead of follow value")
layout = "Jan 2006"
)
type Parser interface {
Parse([]string) error
}
type Dancer struct {
Number uint32
First, Last string
}
var _ Parser = &Dancer{}
func (d *Dancer) Parse(s []string) error {
if len(s) != 3 {
return ErrWrongNumFields
}
//go:generate go tool yacc -o parse.go parse.y
package v3
import (
"fmt"
"strconv"
"unicode/utf8"
"github.com/nordsieck/defect"
"github.com/nordsieck/lexandyacctutorial/util"
)
const (
IllegalInteger = defect.Error("Illegal integer")
literals = '+' | '-' | '*' | '/' | ';' | '(' | ')' | '{' | '}'
)
type Token string
type Lexer struct{ util.Lexer }
func (l *Lexer) Token() (t Token, kind int, err error) {
r, err := l.Scan()
if err != nil {
return "", 0, err
}
switch {
case r == 'e':
t = Token(r)