Struct rustc_hir::hir::Arm[][src]

pub struct Arm<'hir> {
    pub hir_id: HirId,
    pub span: Span,
    pub pat: &'hir Pat<'hir>,
    pub guard: Option<Guard<'hir>>,
    pub body: &'hir Expr<'hir>,
}
Expand description

Represents a single arm of a match expression, e.g. <pat> (if <guard>) => <body>.

Fields

hir_id: HirIdspan: Spanpat: &'hir Pat<'hir>

If this pattern and the optional guard matches, then body is evaluated.

guard: Option<Guard<'hir>>

Optional guard clause.

body: &'hir Expr<'hir>

The expression the arm evaluates to if this arm matches.

Trait Implementations

Formats the value using the given formatter. Read more

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 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 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: 56 bytes