Function __action521

fn __action521<'i, L>(
    ctx: &ParseContext,
    __0: (LexerPosition, LexerPosition, LexerPosition),
    __1: (LexerPosition, SingleDeclaration, LexerPosition),
    __2: (LexerPosition, LexerPosition, LexerPosition),
) -> InitDeclaratorList
where
    L: HasLexerError,