| exp '!' {$$ = factorial($1);}
| '(' exp ')' {$$ = $2;}
| '[' list_or_empty ']' {$$ = $2;}
- | T_MATRIX_BEGIN matrix T_MATRIX_END {$$ = lst_to_matrix($2);}
+ | T_MATRIX_BEGIN matrix T_MATRIX_END {$$ = lst_to_matrix(ex_to_lst($2));}
;
exprseq : exp {$$ = exprseq($1);}