Method expectOneOf

parse.go:170–176

expectOneOf consumes the next token and guarantees it has one of the required types.

(expected1, expected2 itemType, context, expectedAs string)

// expectOneOf consumes the next token and guarantees it has one of the required types.
func (t *Template) expectOneOf(expected1, expected2 itemType, context, expectedAs string) item {
	token := t.nextNonSpace()
	if token.typ != expected1 && token.typ != expected2 {
		t.unexpected(token, context, expectedAs)
	}
	return token
}

// unexpected complains about the token and terminates processing.
func (t *Template) unexpected(token item, context, expected string) {