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use bitflags::bitflags; use serde::{ de::{Deserialize, Deserializer}, ser::{Serialize, Serializer}, }; bitflags! { pub struct MessageFlags: u64 { const CROSSPOSTED = 1; const IS_CROSSPOST = 1 << 1; const SUPPRESS_EMBEDS = 1 << 2; const SOURCE_MESSAGE_DELETED = 1 << 3; const URGENT = 1 << 4; } } impl<'de> Deserialize<'de> for MessageFlags { fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> { Ok(Self::from_bits_truncate(u64::deserialize(deserializer)?)) } } impl Serialize for MessageFlags { fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer, { serializer.serialize_u64(self.bits()) } } #[cfg(test)] mod tests { use super::MessageFlags; use serde_test::Token; #[test] fn test_variants() { serde_test::assert_tokens(&MessageFlags::CROSSPOSTED, &[Token::U64(1)]); serde_test::assert_tokens(&MessageFlags::IS_CROSSPOST, &[Token::U64(1 << 1)]); serde_test::assert_tokens(&MessageFlags::SUPPRESS_EMBEDS, &[Token::U64(1 << 2)]); serde_test::assert_tokens(&MessageFlags::SOURCE_MESSAGE_DELETED, &[Token::U64(1 << 3)]); serde_test::assert_tokens(&MessageFlags::URGENT, &[Token::U64(1 << 4)]); } }