Struct syntax::ast::FieldPat

pub struct FieldPat {
    pub ident: Ident,
    pub pat: P<Pat>,
    pub is_shorthand: bool,
    pub attrs: ThinVec<Attribute>,
}

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

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A single field in a struct pattern

Patterns like the fields of Foo { x, ref y, ref mut z } are treated the same asx: x, y: ref y, z: ref mut z, except is_shorthand is true

Fields

ident: Ident

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

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The identifier for the field

pat: P<Pat>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

The pattern the field is destructured to

is_shorthand: bool

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

attrs: ThinVec<Attribute>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Trait Implementations

impl Clone for FieldPat

fn clone(&self) -> FieldPat

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Encodable for FieldPat

fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

impl Decodable for FieldPat

fn decode<__D: Decoder>(d: &mut __D) -> Result<FieldPat, __D::Error>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

impl Debug for FieldPat

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

Formats the value using the given formatter.

impl HasAttrs for FieldPat

Important traits for &'a mut [u8]

impl<'a> Write for &'a mut [u8]impl<'a> Read for &'a [u8]

fn attrs(&self) -> &[Attribute]

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

fn map_attrs<F>(self, f: F) -> Self where     F: FnOnce(Vec<Attribute>) -> Vec<Attribute>,

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?