这里列出了所有结构体和联合体的成员变量，并附带结构体或联合的详细说明:
- u -
- unicode_char() : mtfmt::string
- unsafe_get_err_value() : mtfmt::details::result_non_trivial_base< T, E >, mtfmt::details::result_trivial_base< T, E >, mtfmt::result< T, E >
- unsafe_get_err_value_mut() : mtfmt::details::result_non_trivial_base< T, E >, mtfmt::details::result_trivial_base< T, E >, mtfmt::result< T, E >
- unsafe_get_succ_value() : mtfmt::details::result_non_trivial_base< T, E >, mtfmt::details::result_trivial_base< T, E >, mtfmt::result< T, E >
- unsafe_get_succ_value_mut() : mtfmt::details::result_non_trivial_base< T, E >, mtfmt::details::result_trivial_base< T, E >, mtfmt::result< T, E >
- unsafe_set_err_value() : mtfmt::details::result_non_trivial_base< T, E >
- unsafe_set_succ_value() : mtfmt::details::result_non_trivial_base< T, E >