Enum ChainPart 

pub enum ChainPart {
    Field {
        name: Ident,
        optional: bool,
        span: Span,
    },
    Index {
        idx: ExprId,
        optional: bool,
        span: Span,
    },
    Call {
        args: Vec<ExprId>,
        type_args: Option<Vec<TypeAnnotation>>,
        optional: bool,
        span: Span,
    },
    NonNull {
        span: Span,
    },
}

Variants

Field

Fields

name: Ident

optional: bool

span: Span

Index

Fields

idx: ExprId

optional: bool

span: Span

Call

Fields

args: Vec<ExprId>

type_args: Option<Vec<TypeAnnotation>>

optional: bool

span: Span

NonNull

A ! continuation (a?.b!.c). Carries no optional flag: ! asserts the value it is applied to is non-null, so it never short-circuits.

Fields

span: Span

Implementations

impl ChainPart

pub fn is_optional(&self) -> bool

pub fn as_plain_step(self) -> Self

This step with its ?. dropped, for a receiver that can’t be null.

pub fn span(&self) -> Span

Trait Implementations

impl Clone for ChainPart

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ChainPart

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

Formats the value using the given formatter.

impl PartialEq for ChainPart

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ChainPart