use serde::{Serializer, ser};
#[derive(Default)]
pub struct ArgCounter {
pub count: usize,
}
impl Serializer for &mut ArgCounter {
type Ok = ();
type Error = crate::Error;
type SerializeSeq = Self;
type SerializeTuple = Self;
type SerializeTupleStruct = Self;
type SerializeTupleVariant = Self;
type SerializeMap = Self;
type SerializeStruct = Self;
type SerializeStructVariant = Self;
fn serialize_bool(self, _v: bool) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_i8(self, _v: i8) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_i16(self, _v: i16) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_i32(self, _v: i32) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_i64(self, _v: i64) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_u8(self, _v: u8) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_u16(self, _v: u16) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_u32(self, _v: u32) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_u64(self, _v: u64) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_f32(self, _v: f32) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_f64(self, _v: f64) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_char(self, _v: char) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_str(self, _v: &str) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_bytes(self, _v: &[u8]) -> Result<Self::Ok, Self::Error> {
self.count += 1;
Ok(())
}
fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
Ok(())
}
fn serialize_some<T>(self, value: &T) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + ser::Serialize,
{
value.serialize(self)
}
fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
self.serialize_none()
}
fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
self.serialize_none()
}
fn serialize_unit_variant(
self,
_name: &'static str,
_variant_index: u32,
variant: &'static str,
) -> Result<Self::Ok, Self::Error> {
self.serialize_str(variant)
}
fn serialize_newtype_struct<T>(
self,
_name: &'static str,
value: &T,
) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + ser::Serialize,
{
value.serialize(self)
}
fn serialize_newtype_variant<T>(
self,
_name: &'static str,
_variant_index: u32,
variant: &'static str,
value: &T,
) -> Result<Self::Ok, Self::Error>
where
T: ?Sized + ser::Serialize,
{
self.serialize_str(variant)?;
value.serialize(&mut *self)?;
Ok(())
}
fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
Ok(self)
}
fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {
Ok(self)
}
fn serialize_tuple_struct(
self,
_name: &'static str,
_len: usize,
) -> Result<Self::SerializeTupleStruct, Self::Error> {
Ok(self)
}
fn serialize_tuple_variant(
self,
_name: &'static str,
_variant_index: u32,
_variant: &'static str,
_len: usize,
) -> Result<Self::SerializeTupleVariant, Self::Error> {
Ok(self)
}
fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
Ok(self)
}
fn serialize_struct(
self,
_name: &'static str,
_len: usize,
) -> Result<Self::SerializeStruct, Self::Error> {
Ok(self)
}
fn serialize_struct_variant(
self,
_name: &'static str,
_variant_index: u32,
_variant: &'static str,
_len: usize,
) -> Result<Self::SerializeStructVariant, Self::Error> {
Ok(self)
}
}
impl ser::SerializeSeq for &mut ArgCounter {
type Ok = ();
type Error = crate::Error;
fn serialize_element<T: ?Sized + serde::Serialize>(
&mut self,
value: &T,
) -> Result<(), Self::Error> {
value.serialize(&mut **self)
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(())
}
}
impl ser::SerializeTuple for &mut ArgCounter {
type Ok = ();
type Error = crate::Error;
fn serialize_element<T: ?Sized + serde::Serialize>(
&mut self,
value: &T,
) -> Result<(), Self::Error> {
value.serialize(&mut **self)
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(())
}
}
impl ser::SerializeTupleStruct for &mut ArgCounter {
type Ok = ();
type Error = crate::Error;
fn serialize_field<T>(&mut self, value: &T) -> Result<(), Self::Error>
where
T: ?Sized + ser::Serialize,
{
value.serialize(&mut **self)
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(())
}
}
impl ser::SerializeTupleVariant for &mut ArgCounter {
type Ok = ();
type Error = crate::Error;
fn serialize_field<T>(&mut self, value: &T) -> Result<(), Self::Error>
where
T: ?Sized + ser::Serialize,
{
value.serialize(&mut **self)
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(())
}
}
impl ser::SerializeMap for &mut ArgCounter {
type Ok = ();
type Error = crate::Error;
fn serialize_key<T: ?Sized + serde::Serialize>(&mut self, key: &T) -> Result<(), Self::Error> {
key.serialize(&mut **self)
}
fn serialize_value<T: ?Sized + serde::Serialize>(
&mut self,
value: &T,
) -> Result<(), Self::Error> {
value.serialize(&mut **self)
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(())
}
}
impl ser::SerializeStruct for &mut ArgCounter {
type Ok = ();
type Error = crate::Error;
fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<(), Self::Error>
where
T: ?Sized + ser::Serialize,
{
self.serialize_str(key)?;
value.serialize(&mut **self)
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(())
}
}
impl ser::SerializeStructVariant for &mut ArgCounter {
type Ok = ();
type Error = crate::Error;
fn serialize_field<T>(&mut self, key: &'static str, value: &T) -> Result<(), Self::Error>
where
T: ?Sized + ser::Serialize,
{
self.serialize_str(key)?;
value.serialize(&mut **self)
}
fn end(self) -> Result<Self::Ok, Self::Error> {
Ok(())
}
}