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token.go: new function IsOneOf()

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This commit is contained in:
Celestino Amoroso 2024-06-19 09:16:19 +02:00
parent 866de759dd
commit 62ef0d699d
1 changed files with 5 additions and 1 deletions
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6
token.go
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@ -60,7 +60,11 @@ func (tk *Token) IsError() bool {
} }
func (tk *Token) IsTerm(termSymbols []Symbol) bool { func (tk *Token) IsTerm(termSymbols []Symbol) bool {
return tk.IsEos() || tk.IsError() || (termSymbols != nil && slices.Index(termSymbols, tk.Sym) >= 0) return tk.IsEos() || tk.IsError() || tk.IsOneOf(termSymbols)
}
func (tk *Token) IsOneOf(termSymbols []Symbol) bool {
return termSymbols != nil && slices.Index(termSymbols, tk.Sym) >= 0
} }
func (tk *Token) IsSymbol(sym Symbol) bool { func (tk *Token) IsSymbol(sym Symbol) bool {