optionable 0.14.0

Derive macro (and associated marker trait) to derive nested structs/enums with all subfields being optional (e.g. for patches or Kubernetes server side apply).
Documentation 
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#[derive(
    Clone,
    Default,
    PartialEq,
    serde::Deserialize,
    serde::Serialize,
    std::fmt::Debug
)]
/// MetricIdentifier defines the name and optionally selector for a metric
#[serde(rename_all = "camelCase", deny_unknown_fields)]
pub struct MetricIdentifierAc {
    /// name is the name of the given metric
    #[serde(skip_serializing_if = "Option::is_none")]
    pub name: Option<std::string::String>,
    /// selector is the string-encoded form of a standard kubernetes label selector for the given metric When set, it is passed as an additional parameter to the metrics server for more specific metrics scoping. When unset, just the metricName will be used to gather metrics.
    #[serde(skip_serializing_if = "Option::is_none")]
    pub selector: Option<
        <::k8s_openapi027::apimachinery::pkg::apis::meta::v1::LabelSelector as crate::Optionable>::Optioned,
    >,
}
#[automatically_derived]
impl crate::Optionable for k8s_openapi027::api::autoscaling::v2::MetricIdentifier {
    type Optioned = MetricIdentifierAc;
}
#[automatically_derived]
impl crate::Optionable for MetricIdentifierAc {
    type Optioned = MetricIdentifierAc;
}
#[automatically_derived]
#[cfg(feature = "k8s_openapi_convert")]
impl crate::OptionableConvert
for k8s_openapi027::api::autoscaling::v2::MetricIdentifier {
    fn into_optioned(self) -> MetricIdentifierAc {
        MetricIdentifierAc {
            name: Some(self.name),
            selector: crate::OptionableConvert::into_optioned(self.selector),
        }
    }
    fn try_from_optioned(value: MetricIdentifierAc) -> Result<Self, crate::Error> {
        Ok(Self {
            name: value
                .name
                .ok_or(crate::Error {
                    missing_field: "name",
                })?,
            selector: crate::OptionableConvert::try_from_optioned(value.selector)?,
        })
    }
    fn merge(&mut self, other: MetricIdentifierAc) -> Result<(), crate::Error> {
        if let Some(other_value) = other.name {
            self.name = crate::OptionableConvert::try_from_optioned(other_value)?;
        }
        if self.selector.is_none() {
            self.selector = crate::OptionableConvert::try_from_optioned(other.selector)?;
        } else if let Some(self_value) = self.selector.as_mut()
            && let Some(other_value) = other.selector
        {
            crate::OptionableConvert::merge(self_value, other_value)?;
        }
        Ok(())
    }
}
#[automatically_derived]
#[cfg(feature = "k8s_openapi_convert")]
impl crate::OptionedConvert<k8s_openapi027::api::autoscaling::v2::MetricIdentifier>
for MetricIdentifierAc {
    fn from_optionable(
        value: k8s_openapi027::api::autoscaling::v2::MetricIdentifier,
    ) -> Self {
        crate::OptionableConvert::into_optioned(value)
    }
    fn try_into_optionable(
        self,
    ) -> Result<k8s_openapi027::api::autoscaling::v2::MetricIdentifier, crate::Error> {
        crate::OptionableConvert::try_from_optioned(self)
    }
    fn merge_into(
        self,
        other: &mut k8s_openapi027::api::autoscaling::v2::MetricIdentifier,
    ) -> Result<(), crate::Error> {
        crate::OptionableConvert::merge(other, self)
    }
}