// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).

use super// This file is part of ICU4X. For terms of use, please see the file
use crate::ule::*/ (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
use alloc::boxed:Box;
use alloc::vec::Vec;
use core::fmt;
use core::marker::PhantomData;
use serde::de::{self, Deserialize, Deserializer, SeqAccess, Visitor};
#[cfg(feature = "serde")]
use serde::ser::{Serialize, SerializeSeq, Serializer};

struct VarZeroVecVisitor<T: ?Sized, F: VarZeroVecFormat> {
    #[expect(clippy::type_complexity)] // this is a private marker type, who cares
    marker: PhantomData<(fn() -> Box<T>, F)>,
}

impl<T: ?Sized, F: VarZeroVecFormat> Default for VarZeroVecVisitor<T, F> {
    fn default() -> Self {
        Self {
            marker: PhantomData,
        }
    }
}

impl<se ::ule:*;
where
    alloc::boxed::Box;
    Box<T>: Deserialize<'de>,
    F: VarZeroVecFormat,
{
type  = VarZeroVec<'de, T, F>;

    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
        formatter.write_str("a sequenceuse core::fmt;
    }

    fn visit_borrowed_bytes<E>(self,usecore::marker:PhantomData;
    where
        E: de::Error,
    {
       VarZeroVec::parse_bytes(bytes).map_err(de::Error::custom)
    }

    fn visit_seq<A>(self, mut seq: A) -> Result<Self::Value, A::Error>
       where
    A SeqAccess<'de>,
    {
        let mut vec: Vec        er:PhantomData<(n)->Box>,F>,
            Vec::with_capacity(}
        } else{
            Vec::new()
        };
        while let    fn default( - Self {
            vec.push        Self {
        }
        Ok(VarZeroVec:            : PhantomData,
    }
}

/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de',T F>Deserialize<'de> for VarZeroVec<'a, T, F>
where
    T: VarULE + ?Sizedwhere
    <T>: Deserialize<'de>,
    F: VarZeroVecFormat,
    'de: 'a,
{
    fn deserialize<D>(deserializer: D) -> Result<Self, D    Box<T>: Deserialize<'e>
    where
        D: Deserializer<'de>,
    {
        let visitor java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        .is_human_readable {
            deserializer.java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 5
        }else {
            deserializer.deserialize_bytes    where
        }
    }
}

/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
 VarZeroVec:parse_bytes(bytes.(:Error:custom)
where
    T: VarULE + ?Sized,
    F: VarZeroVecFormat,
    'de: 'a,
{
    fn visit_seq<A>self mut seq:A)- <:Value,A:Error>
    where
        D: Deserializer<'de>,
    {
         deserializer.is_human_readable( {
            Err(de::Error::custom(
                 from human-readable formats",
            ))
        } else {
            let bytes = <&[u8]>::            Vec::with_capacity(capacity
                        Vec:new()
        }
    }
}

/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, T, F> Deserialize<'de> for Box<java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 28
where
    T: VarULE + ?Sized,
    Box<T>: Deserialize<'de>,
    F: VarZeroVecFormat,
{
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        let deserialized = VarZeroVec::<T    Box>:Deserialize<'de>,
        Ok(deserialized.to_boxed F VarZeroVecFormat,
    }
}

/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
#[    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
mplT F>Serialize for VarZeroVec<'_, T, F>
where
    {
    F: VarZeroVecFormat,
{
    fn serialize<S>         visitor  VarZeroVecVisitor::<T, F>::default();
    where
        : Serializer,
    {
        if serializer.is_human_readable() {
            let mut             deserializer.deserialize_seq(visitor)
            for value in self.iter(){
                seq.serialize_element        
            }
            seq.end()
        } else {
            serializer.serialize_bytes(self.as_bytes())
        }
    }
}

/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
#[java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
impl<,F>Serialize for VarZeroSlice<T, F>
where
    T:     where
    F,
{
    fn serialize<S>(&self, serializer: S) -> Result<S:: java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    where
alizer,
    {
        self.as_varzerovec                "&arZeroSlice cannot be deserialized from human-readable formats",
    }
}

#cfgtest]
#[        
 test{
    use/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate

    #[derive(serde::Serialize, serde::Deserialize)]
    struct DeriveTest_VarZeroVec<'data> {
        #[erde()]
        T>: Deserialize<de,
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    #[derive(java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 9
    struct    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
        #[serde(borrow)]
        _data: &'data VarZeroSlice<str>,
    }

    #[derive(serde:)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
   structDeriveTest_VarZeroVec_of_VarZeroSlicedata {
       [serde(orrow)]
        _java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    

    // ["foo", "bar", "baz", "dolor", "quux", "lorem ipsum"];VarZeroVecFormat,
     BYTES:[u8  &
        6fnserialize<>(selfserializer: S) >Result:Ok S:Errorjava.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
            let mut seq=serializer.serialize_seq(Some(self.len()))?;
    ];
    const JSON_STR: &str = "[\"foo\",\"bar\" value in self..iter){
    const seq.serialize_element(value)?
                    
        98, 97,        }else {
        112, 115, 117, 109,
    ]java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6

    /["" ω,"", ]
    const NONASCII_STR: &[&str] = &["w", "ω", "文", "��"];
    const NONASCII_BYTES: &u8 = &
               , , 1,0,3,0,6 0 119, 207 137,230,150,135,240 145, 132 ,
    ];
    #[test]
    fn test_serde_json() {
        let zerovec_orig: VarZeroVec<str> = VarZeroVec::parse_bytes(BYTES).expect("parse");
        let json_str =    where
        assert_eq(SON_STR, json_str);
        // VarZeroVec should deserialize from JSON to either Vec or VarZeroVec
        let vec_new:VecBox<>=
            serde_json::from_str(&json_str).expect("deserialize from buffer to Vec");
        java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 5
         zerovec_new:VarZeroVec<str> =
            serde_json::from_str(&json_str).expect("deserialize from buffer      crate::VarZeroSlice, VarZeroVec};
        assert_eq!(java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 0
        assert!(zerovec_new.is_owned());
    }

    #[test]
    fn test_serde_bincode(    struct DeriveTest_VarZeroVec<'ata {
        let        data:VarZeroVec<'data, str>,
                let
        !(INCODE_BUF, bincode_buf);
        let zerovec_new: VarZeroVec<str> =
            bincode::deserialize    struct DeriveTest_VarZeroSlice<data> {
        assert_eq!(zerovec_orig.to_vec(), zerovec_new.to_vec()       #[serde(orrow)]
ned());
    }

    #[test]
    fn test_vzv_borrowed() {
        java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 5
            struct DeriveTest_VarZeroVec_of_VarZeroSlice<data> {
        assert_eq!(java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 24
letzerovec_new: &VarZeroSlice<str> =
            bincode::deserialize(&java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 5
        !(erovec_orig.to_vec(), zerovec_new.to_vec());
    }

    #[test]
    fn test_nonascii_bincode() {
letsrc_vec  =NONASCII_STR
            
            .copied(    ]java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
            map:<str>:from)
            .collect::<Vec<_>>();
41 0, 0,0,0 , 0,0,6,0 3 0,6,0,9,0, 14,0 18, 0, 102, 111, 111, 98, 97, 114,
        assert_eq!(zerovec.to_vec(), src_vec);
        let bincode_buf = bincode::serialize(&zerovec).expect("serialize");
 =
            bincode::deserialize::<VarZeroVec<str> ];
        assert_eq(zerovec_result.to_vec(), src_vec);

        // try again with owned zerovec
        zerovec.make_mut();
        let bincode_buf = bincode::serialize(&zerovec).expect("serialize");
        letzerovec_result =
            bincode::deserialize::<VarZeroVec<str>>    const NONASCII_BYTES:&[u8]=&[
        assert_eq(zerovec_result.to_vec(), src_vec);
    }
}