pub fn iter(&self) -> impl Iterator<Item = &dyn Var> {
        vec![
            &self.application_name as &dyn Var,
            &self.client_encoding,
            &self.database,
            &self.date_style,
            &self.extra_float_digits,
            &self.failpoints,
            &self.integer_datetimes,
            &self.qgm_optimizations,
            &self.search_path,
            &self.server_version,
            &self.server_version_num,
            &self.sql_safe_updates,
            &self.standard_conforming_strings,
            &self.timezone,
            &self.transaction_isolation,
        ]
        .into_iter()
    }
/// Returns an iterator over the configuration parameters and their current
/// values for this session.
Returns an iterator over the configuration parameters and their current
values for this session.
Returns an iterator over the configuration parameters and their current values for this session .
pub fn iter(&self) -> impl Iterator<Item = &dyn Var> {
        vec![
            &self.application_name as &dyn Var,
            &self.client_encoding,
            &self.database,
            &self.date_style,
            &self.extra_float_digits,
            &self.failpoints,
            &self.integer_datetimes,
            &self.qgm_optimizations,
            &self.search_path,
            &self.server_version,
            &self.server_version_num,
            &self.sql_safe_updates,
            &self.standard_conforming_strings,
            &self.timezone,
            &self.transaction_isolation,
        ]
        .into_iter()
    }
pub fn iter ( & self ) -> impl Iterator < Item = & dyn Var > { vec ! [ self application_name as dyn Var self client_encoding self database self date_style self extra_float_digits self failpoints self integer_datetimes self qgm_optimizations self search_path self server_version self server_version_num self sql_safe_updates self standard_conforming_strings self timezone self transaction_isolation ] . into_iter ( ) }
Returns an iterator over the configuration parameters and their current
values for this session.
Returns an iterator over the configuration parameters and their current values for this session .
&self
&self