Struct SlotDef 

pub struct SlotDef {

    pub name: String,
    pub type_ref: Option<String>,
    pub meta: HashMap<String, Kind>,
    pub default: Option<Kind>,
    pub is_marker: bool,
    pub is_query: bool,
    pub is_maybe: bool,
    pub is_global: bool,
    pub query_of: Option<String>,
    pub query_via: Option<String>,
    pub query_inverse: Option<String>,
    pub children: Vec<SlotDef>,
    pub doc: String,
}

A slot (child tag) definition within a spec.

Fields

name: String

Slot name.

type_ref: Option<String>

Type reference (e.g. "Str", "Number", "Ref").

meta: HashMap<String, Kind>

Metadata tags from angle-bracket meta section.

default: Option<Kind>

Default value.

is_marker: bool

True if this slot is a marker (no type, no value).

is_query: bool

True if this slot is a query (type is Query<...>).

is_maybe: bool

True if this slot has the ? suffix (optional).

is_global: bool

True if prefixed with * (global slot).

query_of: Option<String>

For query slots: the of parameter type.

query_via: Option<String>

For query slots: the via parameter path.

query_inverse: Option<String>

For query slots: the inverse parameter path.

children: Vec<SlotDef>

Nested child slots.

doc: String

Doc comment text (collected from // comments before this slot).

Implementations

impl SlotDef

pub fn new(name: impl Into<String>) -> Self

Create a new empty slot definition with the given name.

Trait Implementations

impl Clone for SlotDef

fn clone(&self) -> SlotDef

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SlotDef

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

Formats the value using the given formatter.

impl From<&SlotDef> for Slot

Convert an AST SlotDef into a resolved Slot.

fn from(def: &SlotDef) -> Self

Converts to this type from the input type.