Struct EffectCtx 

pub struct EffectCtx<'a> {
    pub target: Option<&'a dyn Any>,
    pub chain: Option<&'a mut ChainFlags>,
    pub caps: &'a mut TypeMap,
}

Mutable context for an Effect.

Fields

target: Option<&'a dyn Any>

Effect target.

chain: Option<&'a mut ChainFlags>

Chain flags, or None outside a chain.

caps: &'a mut TypeMap

Services available to the effect.

Implementations

impl EffectCtx<'_>

pub fn target_as<T: Any>(&self) -> Option<&T>

Returns the effect target as type T.

pub fn service<T: Any>(&self) -> Option<&T>

Returns the host service of type T.

pub fn service_mut<T: Any>(&mut self) -> Option<&mut T>

Returns mutable access to the host service of type T.