Struct rustc_expand::mbe::macro_check::MacroState

source · 
struct MacroState<'a> {
    binders: &'a FxHashMap<MacroRulesNormalizedIdent, BinderInfo>,
    ops: SmallVec<[KleeneToken; 1]>,
}
Expand description

The state at which we entered a macro definition in the RHS of another macro definition.

Fields

binders: &'a FxHashMap<MacroRulesNormalizedIdent, BinderInfo>

The binders of the branch where we entered the macro definition.

ops: SmallVec<[KleeneToken; 1]>

The stack of Kleene operators (outermost first) where we entered the macro definition.

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Blanket Implementations

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.

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: 32 bytes