pub enum VarDimData<'a> {
    Unsized,
    Unpacked(UnpackedDim<'a>),
    Assoc(Option<Type<'a>>),
    Queue(Option<Expr<'a>>),
}
Expand description

A variable dimension.

From §A.2.5:

unsized_dimension
unpacked_dimension
associative_dimension
queue_dimension

Variants

Unsized

An unsized dimension, like [].

Unpacked(UnpackedDim<'a>)

An unpacked dimension.

Assoc(Option<Type<'a>>)

An associative dimension, like [<type>] or [*].

Queue(Option<Expr<'a>>)

A queue dimension, like [$] or [$:42].

Trait Implementations

Walk a visitor over the contents of self.

Get this node’s name, or None if it does not have one.

Describe this node for diagnostics in indefinite form, e.g. “entity”. Read more

Describe this node for diagnostics in definite form, e.g. “entity ‘top’”. Read more

Describe this node for diagnostics in indefinite form, e.g. “entity”.

Describe this node for diagnostics in definite form, e.g. “entity ‘top’”. Read more

Describe this node for diagnostics in indefinite form, e.g. “entity”.

Describe this node for diagnostics in definite form, e.g. “entity ‘top’”. Read more

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Apply a function to each child node.

Apply a function to this node.

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

Auto Trait Implementations

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

Performs the conversion.

Performs the conversion.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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.