pub struct ParamSlot {
pub name: String,
pub type_expr: Option<TypeExpr>,
pub has_default: bool,
}Expand description
One parameter slot of a compiled user-defined function. Carries the
declared name, the (optional) declared type expression, and a flag
for whether a default value was provided. The runtime consults the
type expression in bind_param_slots to enforce declared types
against the values supplied at the call site.
Fields§
§name: String§type_expr: Option<TypeExpr>Declared parameter type. None for untyped parameters (gradual
typing); the runtime skips type assertion when absent.
has_default: boolTrue when the parameter has a default-value clause. Diagnostic
only — the canonical authority for arity ranges is
CompiledFunction::default_start.
Implementations§
Source§impl ParamSlot
impl ParamSlot
Sourcepub fn from_typed_param(param: &TypedParam) -> Self
pub fn from_typed_param(param: &TypedParam) -> Self
Build a ParamSlot from a parser-side harn_parser::TypedParam.
Centralizes the conversion so every compile path stays in lockstep.
Sourcepub fn vec_from_typed(params: &[TypedParam]) -> Vec<Self>
pub fn vec_from_typed(params: &[TypedParam]) -> Vec<Self>
Build a Vec<ParamSlot> from a slice of parser-side typed
parameters. Used pervasively at compile sites instead of
TypedParam::names (which discarded the type info we now need
at runtime).
Trait Implementations§
Auto Trait Implementations§
impl Freeze for ParamSlot
impl RefUnwindSafe for ParamSlot
impl Send for ParamSlot
impl Sync for ParamSlot
impl Unpin for ParamSlot
impl UnsafeUnpin for ParamSlot
impl UnwindSafe for ParamSlot
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