Enum Handler

pub enum Handler {
    Map(Expr),
    Then(Expr),
    AndThen(Expr),
}

map => expr, then => expr, and_then => expr

Variants

Map(Expr)

Then(Expr)

AndThen(Expr)

Implementations

impl Handler

pub fn is_map(&self) -> bool

Returns true if handler is Map.

pub fn is_then(&self) -> bool

Returns true if handler is Then.

pub fn is_and_then(&self) -> bool

Returns true if handler is AndThen.

pub fn peek_handler(input: ParseStream<'_>) -> bool

Returns true if next value in input ParseStream is the definition of Handler.

pub fn extract_expr(&self) -> &Expr

Extracts inner expr.

Trait Implementations

impl<'a> TryFrom<&'a ParseBuffer<'a>> for Handler

fn try_from(input: ParseStream<'a>) -> Result<Self>

Attempts to parse input as a handler.

type Error = Error

The type returned in the event of a conversion error.