Enum rustc_trait_selection::infer::type_variable::TypeVariableOriginKind [−][src]
pub enum TypeVariableOriginKind {
MiscVariable,
NormalizeProjectionType,
TypeInference,
TypeParameterDefinition(Symbol, Option<DefId>),
ClosureSynthetic,
SubstitutionPlaceholder,
AutoDeref,
AdjustmentType,
DivergingFn,
LatticeVariable,
}Expand description
Reasons to create a type inference variable
Variants
One of the upvars or closure kind parameters in a ClosureSubsts
(before it has been determined).
Auto Trait Implementations
impl RefUnwindSafe for TypeVariableOriginKind
impl Send for TypeVariableOriginKind
impl Sync for TypeVariableOriginKind
impl Unpin for TypeVariableOriginKind
impl UnwindSafe for TypeVariableOriginKind
Blanket Implementations
pub fn allocate_from_iter(
arena: &'a Arena<'tcx>,
iter: impl IntoIterator<Item = T>
) -> &'a mut [T]
Mutably borrows from an owned value. Read more
Layout
Note: Most layout information is completely unstable and may be different between compiler versions and platforms. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.
Size: 12 bytes