Struct MatchArm 

pub struct MatchArm { /* private fields */ }

Implementations

impl MatchArm

pub fn pattern_expr(&self) -> Option<SyntaxNode>

The pattern’s expression — MATCH_PATTERN’s only child node.

pub fn block(&self) -> Option<Block>

The nested BLOCK, for a braced arm body (pattern => { … }).

pub fn bare_expr(&self) -> Option<SyntaxNode>

The bare expression, for an unbraced arm body (pattern => expr) — the one child node that is neither MATCH_PATTERN nor BLOCK.

Trait Implementations

impl AstNode for MatchArm

fn can_cast(kind: SyntaxKind) -> bool

Returns true for a node with a SyntaxKind this type can wrap.

fn cast(node: SyntaxNode) -> Option<Self>

Try to cast a generic SyntaxNode into this typed wrapper.

fn syntax(&self) -> &SyntaxNode

Access the underlying SyntaxNode.

impl Clone for MatchArm

fn clone(&self) -> MatchArm

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MatchArm

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for MatchArm

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for MatchArm

impl Hash for MatchArm

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for MatchArm

fn eq(&self, other: &MatchArm) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for MatchArm