Enum rustc_resolve::ResolutionError

pub(crate) enum ResolutionError<'a> {
    GenericParamsFromOuterFunction(Res<NodeId>, HasGenericParams),
    NameAlreadyUsedInParameterList(Symbol, Span),
    MethodNotMemberOfTrait(Ident, &'a str, Option<Symbol>),
    TypeNotMemberOfTrait(Ident, &'a str, Option<Symbol>),
    ConstNotMemberOfTrait(Ident, &'a str, Option<Symbol>),
    VariableNotBoundInPattern(&'a BindingError),
    VariableBoundWithDifferentMode(Symbol, Span),
    IdentifierBoundMoreThanOnceInParameterList(Symbol),
    IdentifierBoundMoreThanOnceInSamePattern(Symbol),
    UndeclaredLabel {
        name: Symbol,
        suggestion: Option<(Ident, bool)>,
    },
    SelfImportsOnlyAllowedWithin {
        root: bool,
        span_with_rename: Span,
    },
    SelfImportCanOnlyAppearOnceInTheList,
    SelfImportOnlyInImportListWithNonEmptyPrefix,
    FailedToResolve {
        label: String,
        suggestion: Option<(Vec<(Span, String)>, String, Applicability)>,
    },
    CannotCaptureDynamicEnvironmentInFnItem,
    AttemptToUseNonConstantValueInConstant(Ident, &'static str, &'static str),
    BindingShadowsSomethingUnacceptable {
        shadowing_binding_descr: &'static str,
        name: Symbol,
        participle: &'static str,
        article: &'static str,
        shadowed_binding_descr: &'static str,
        shadowed_binding_span: Span,
    },
    ForwardDeclaredGenericParam,
    ParamInTyOfConstParam(Symbol),
    ParamInNonTrivialAnonConst {
        name: Symbol,
        is_type: bool,
    },
    SelfInGenericParamDefault,
    UnreachableLabel {
        name: Symbol,
        definition_span: Span,
        suggestion: Option<(Ident, bool)>,
    },
}

Variants

GenericParamsFromOuterFunction(Res<NodeId>, HasGenericParams)

Tuple Fields

0: Res<NodeId>

1: HasGenericParams

Error E0401: can’t use type or const parameters from outer function.

NameAlreadyUsedInParameterList(Symbol, Span)

Tuple Fields

0: Symbol

1: Span

Error E0403: the name is already used for a type or const parameter in this generic parameter list.

MethodNotMemberOfTrait(Ident, &'a str, Option<Symbol>)

Tuple Fields

0: Ident

1: &'a str

2: Option<Symbol>

Error E0407: method is not a member of trait.

TypeNotMemberOfTrait(Ident, &'a str, Option<Symbol>)

Tuple Fields

0: Ident

1: &'a str

2: Option<Symbol>

Error E0437: type is not a member of trait.

ConstNotMemberOfTrait(Ident, &'a str, Option<Symbol>)

Tuple Fields

0: Ident

1: &'a str

2: Option<Symbol>

Error E0438: const is not a member of trait.

VariableNotBoundInPattern(&'a BindingError)

Tuple Fields

0: &'a BindingError

Error E0408: variable {} is not bound in all patterns.

VariableBoundWithDifferentMode(Symbol, Span)

Tuple Fields

0: Symbol

1: Span

Error E0409: variable {} is bound in inconsistent ways within the same match arm.

IdentifierBoundMoreThanOnceInParameterList(Symbol)

Tuple Fields

0: Symbol

Error E0415: identifier is bound more than once in this parameter list.

IdentifierBoundMoreThanOnceInSamePattern(Symbol)

Tuple Fields

0: Symbol

Error E0416: identifier is bound more than once in the same pattern.

UndeclaredLabel

Fields

name: Symbol

suggestion: Option<(Ident, bool)>

Error E0426: use of undeclared label.

SelfImportsOnlyAllowedWithin

Fields

root: bool

span_with_rename: Span

Error E0429: self imports are only allowed within a { } list.

SelfImportCanOnlyAppearOnceInTheList

Error E0430: self import can only appear once in the list.

SelfImportOnlyInImportListWithNonEmptyPrefix

Error E0431: self import can only appear in an import list with a non-empty prefix.

FailedToResolve

Fields

label: String

suggestion: Option<(Vec<(Span, String)>, String, Applicability)>

Error E0433: failed to resolve.

CannotCaptureDynamicEnvironmentInFnItem

Error E0434: can’t capture dynamic environment in a fn item.

AttemptToUseNonConstantValueInConstant(Ident, &'static str, &'static str)

Tuple Fields

0: Ident

1: &'static str

2: &'static str

Error E0435: attempt to use a non-constant value in a constant.

BindingShadowsSomethingUnacceptable

Fields

shadowing_binding_descr: &'static str

name: Symbol

participle: &'static str

article: &'static str

shadowed_binding_descr: &'static str

shadowed_binding_span: Span

Error E0530: X bindings cannot shadow Ys.

ForwardDeclaredGenericParam

Error E0128: generic parameters with a default cannot use forward-declared identifiers.

ParamInTyOfConstParam(Symbol)

Tuple Fields

0: Symbol

ERROR E0770: the type of const parameters must not depend on other generic parameters.

ParamInNonTrivialAnonConst

Fields

name: Symbol

is_type: bool

generic parameters must not be used inside const evaluations.

This error is only emitted when using min_const_generics.

SelfInGenericParamDefault

Error E0735: generic parameters with a default cannot use Self

UnreachableLabel

Fields

name: Symbol

definition_span: Span

suggestion: Option<(Ident, bool)>

Error E0767: use of unreachable label

Layout

Note: Most layout information is completely unstable and may even differ between compilations. 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: 88 bytes

Size for each variant:

• GenericParamsFromOuterFunction: 27 bytes
• NameAlreadyUsedInParameterList: 15 bytes
• MethodNotMemberOfTrait: 39 bytes
• TypeNotMemberOfTrait: 39 bytes
• ConstNotMemberOfTrait: 39 bytes
• VariableNotBoundInPattern: 15 bytes
• VariableBoundWithDifferentMode: 15 bytes
• IdentifierBoundMoreThanOnceInParameterList: 7 bytes
• IdentifierBoundMoreThanOnceInSamePattern: 7 bytes
• UndeclaredLabel: 23 bytes
• SelfImportsOnlyAllowedWithin: 11 bytes
• SelfImportCanOnlyAppearOnceInTheList: 0 bytes
• SelfImportOnlyInImportListWithNonEmptyPrefix: 0 bytes
• FailedToResolve: 87 bytes
• CannotCaptureDynamicEnvironmentInFnItem: 0 bytes
• AttemptToUseNonConstantValueInConstant: 47 bytes
• BindingShadowsSomethingUnacceptable: 79 bytes
• ForwardDeclaredGenericParam: 0 bytes
• ParamInTyOfConstParam: 7 bytes
• ParamInNonTrivialAnonConst: 7 bytes
• SelfInGenericParamDefault: 0 bytes
• UnreachableLabel: 31 bytes