Enum MutationTargetSymbol 

pub enum MutationTargetSymbol {
    ById(SymbolId),
    ByPath(Box<SymbolPath>),
    ByKindAndName(ItemKind, String),
    ByAffectedId {
        parent_id: SymbolId,
        kind: ItemKind,
        name: Option<String>,
    },
}

Target symbol specification for MutationSpec.

Supports flexible target resolution:

• Eager: Already resolved to SymbolId
• Lazy: Resolved during Wave execution (DetectConflict phase)
• Derived: Resolved from parent mutations (e.g., newly added struct)

Design

Replaces the scattered request_* fields with a unified approach. Enables batch processing of Add & Update operations within a Wave.

Examples

ById(symbol_id)                      // Direct reference (already resolved)
ByPath("crate::config::Settings")    // Lazy resolution by path
ByKindAndName(Struct, "User")        // Lazy resolution by kind + name
ByAffectedId(parent_id, Field, "id") // Derived from parent (e.g., field in newly added struct)

Variants

ById(SymbolId)

Direct reference by SymbolId (already resolved)

ByPath(Box<SymbolPath>)

Lazy resolution by SymbolPath (parsed path)

ByKindAndName(ItemKind, String)

Lazy resolution by kind and name

ByAffectedId

Derived from affected parent symbol Example: Field in a struct that was just added in the same Wave

Fields

parent_id: SymbolId

Parent symbol ID

kind: ItemKind

Kind of the child item

name: Option<String>

Optional name (None for anonymous items)

Implementations

impl MutationTargetSymbol

pub fn by_id(id: SymbolId) -> Self

Create a direct SymbolId reference

pub fn by_path(path: SymbolPath) -> Self

Create a lazy SymbolPath reference

pub fn by_kind_and_name(kind: ItemKind, name: impl Into<String>) -> Self

Create a lazy kind+name reference

pub fn by_affected_id( parent_id: SymbolId, kind: ItemKind, name: Option<String>, ) -> Self

Create a derived reference from parent

pub fn is_resolved(&self) -> bool

Check if this is already resolved to a SymbolId

pub fn to_path(&self, registry: &SymbolRegistry) -> Option<SymbolPath>

Resolve to SymbolPath using the registry.

Returns Some(SymbolPath) if resolution succeeds, None otherwise.

Trait Implementations

impl Clone for MutationTargetSymbol

fn clone(&self) -> MutationTargetSymbol

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MutationTargetSymbol

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for MutationTargetSymbol

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Hash for MutationTargetSymbol

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for MutationTargetSymbol

fn eq(&self, other: &MutationTargetSymbol) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for MutationTargetSymbol

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Eq for MutationTargetSymbol

impl StructuralPartialEq for MutationTargetSymbol