Struct FnHandler 

pub struct FnHandler<F, T>
where
    F: Fn(&ArgMatches, &CommandContext) -> HandlerResult<T> + Send + Sync,
    T: Serialize + Send + Sync,
{ /* private fields */ }

A wrapper that implements Handler for closures.

Implementations

impl<F, T> FnHandler<F, T>

where F: Fn(&ArgMatches, &CommandContext) -> HandlerResult<T> + Send + Sync, T: Serialize + Send + Sync,

pub fn new(f: F) -> Self

Creates a new FnHandler wrapping the given closure.

Trait Implementations

impl<F, T> Handler for FnHandler<F, T>

where F: Fn(&ArgMatches, &CommandContext) -> HandlerResult<T> + Send + Sync, T: Serialize + Send + Sync,

type Output = T

The output type produced by this handler (must be serializable)

fn handle(&self, matches: &ArgMatches, ctx: &CommandContext) -> HandlerResult<T>

Execute the handler with the given matches and context.