in lambda-http/src/request.rs [272:294]
fn deserialize_method<'de, D>(deserializer: D) -> Result<http::Method, D::Error>
where
D: Deserializer<'de>,
{
struct MethodVisitor;
impl<'de> Visitor<'de> for MethodVisitor {
type Value = http::Method;
fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(formatter, "a Method")
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: DeError,
{
v.parse().map_err(E::custom)
}
}
deserializer.deserialize_str(MethodVisitor)
}