Trait JsonSafeFields

Source

pub trait JsonSafeFields { }

Expand description

Marker trait proving a type’s u64/i64 fields are protected for JS-safe JSON serialization.

§How it works

The #[json_safe_fields] attribute macro auto-implements this trait for annotated types. The #[derive(JsonConvertible)] macro implements it for versioned enums and asserts that all inner variant types also implement it.

§Compile errors

If you see the trait `JsonSafeFields` is not satisfied, it means a field type in an annotated struct doesn’t implement this trait. Fix it by one of:

Struct with u64 fields: add #[cfg_attr(feature = "json-conversion", json_safe_fields)]
Simple enum/struct without u64: add impl JsonSafeFields for MyType {} below
BTreeMap<K, u64> field: add #[serde(with = "json_safe_generic_u64_value_map")]
New type Foo = u64 alias: add it to U64_ALIASES in the proc macro crate

§Why u64/i64 don’t implement this trait

A bare u64 is NOT JS-safe. Safety comes from #[serde(with = "json_safe_u64")] applied at the field level. By excluding u64/i64 from this trait, the compiler catches unprotected type aliases (type Foo = u64) and containers (Vec<u64>) at compile time.

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

JsonSafeFields

Trait JsonSafeFields Copy item path

§How it works

§Compile errors

§Why u64/i64 don’t implement this trait

Dyn Compatibility§

Implementations on Foreign Types§

impl JsonSafeFields for ()

impl JsonSafeFields for BinaryData

impl JsonSafeFields for Bytes20

impl JsonSafeFields for Bytes32

impl JsonSafeFields for Bytes36

impl JsonSafeFields for Encoding

impl JsonSafeFields for OutPoint

impl JsonSafeFields for String

impl JsonSafeFields for Value

impl JsonSafeFields for bool

impl JsonSafeFields for char

impl JsonSafeFields for f32

impl JsonSafeFields for f64

impl JsonSafeFields for i8

impl JsonSafeFields for i16

impl JsonSafeFields for i32

impl JsonSafeFields for isize

impl JsonSafeFields for u8

impl JsonSafeFields for u16

impl JsonSafeFields for u32

impl JsonSafeFields for usize

impl<K: JsonSafeFields, V: JsonSafeFields> JsonSafeFields for BTreeMap<K, V>

impl<K: JsonSafeFields, V: JsonSafeFields> JsonSafeFields for HashMap<K, V>

impl<T: JsonSafeFields> JsonSafeFields for &T

impl<T: JsonSafeFields> JsonSafeFields for BTreeSet<T>

impl<T: JsonSafeFields> JsonSafeFields for Box<T>

impl<T: JsonSafeFields> JsonSafeFields for HashSet<T>

impl<T: JsonSafeFields> JsonSafeFields for Option<T>

impl<T: JsonSafeFields> JsonSafeFields for Vec<T>

impl<const N: usize> JsonSafeFields for [u8; N]

Implementors§

impl JsonSafeFields for AddressCreditWithdrawalTransitionV0

impl JsonSafeFields for AddressFundingFromAssetLockTransitionV0

impl JsonSafeFields for AddressFundsFeeStrategy

impl JsonSafeFields for AddressFundsTransferTransitionV0

impl JsonSafeFields for AddressWitness

impl JsonSafeFields for AgreedFeeMultiplier

impl JsonSafeFields for AssetLockProof

impl JsonSafeFields for AuthorizedActionTakers

impl JsonSafeFields for BatchTransitionV0

impl JsonSafeFields for BatchTransitionV1

impl JsonSafeFields for BatchedTransition

impl JsonSafeFields for BlockInfo

impl JsonSafeFields for ChainAssetLockProof

impl JsonSafeFields for ChangeControlRules

impl JsonSafeFields for ChangeControlRulesV0

impl JsonSafeFields for ContenderWithSerializedDocument

impl JsonSafeFields for ContenderWithSerializedDocumentV0

impl JsonSafeFields for ContestedDocumentResourceVotePoll

impl JsonSafeFields for ContestedIndexFieldMatch

impl JsonSafeFields for ContractBounds

impl JsonSafeFields for ContractFeeClaimTransition

impl JsonSafeFields for ContractFeeClaimTransitionV0

impl JsonSafeFields for ContractFeePot

impl JsonSafeFields for ContractFeePotLastClaim

impl JsonSafeFields for ContractGroupMembership

impl JsonSafeFields for ContractGroupRegistration

impl JsonSafeFields for ContractModerationConfig

impl JsonSafeFields for ContractModerationDocument

impl JsonSafeFields for ContractModerationList

impl JsonSafeFields for ContractModerationReason

impl JsonSafeFields for ContractModerators

impl JsonSafeFields for ContractUserModerationAction

impl JsonSafeFields for ContractUserModerationTransition

impl JsonSafeFields for ContractUserModerationTransitionV0

impl JsonSafeFields for CoreScript

impl JsonSafeFields for DataContractConfig

impl JsonSafeFields for DataContractConfigV0

impl JsonSafeFields for DataContractConfigV1

impl JsonSafeFields for DataContractConfigV2

impl JsonSafeFields for DataContractCreateTransition

impl JsonSafeFields for DataContractCreateTransitionV0

impl JsonSafeFields for DataContractCreateTransitionV1

Trait JsonSafeFields