use serde::de::{self, Deserialize, Deserializer, Visitor};
use serde_derive::Deserialize;
use std::fmt;
#[derive(Deserialize)]
#[serde(deny_unknown_fields)]
pub struct InheritEdition {
pub workspace: True,
}
pub struct True;
impl<'de> Deserialize<'de> for True {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
deserializer.deserialize_bool(True)
}
}
impl<'de> Visitor<'de> for True {
type Value = True;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("bool")
}
fn visit_bool<E>(self, b: bool) -> Result<Self::Value, E>
where
E: de::Error,
{
if b {
Ok(True)
} else {
Err(de::Error::custom(
"workspace=false is unsupported for package.edition",
))
}
}
}