# shrinkage::ErasedPathPenalty Shrinkage for Rust ยท 0.3.0 [Source]() ```rust pub struct ErasedPathPenalty

(P) ``` Adapt a typed penalty shape to independently selected runtime path factories. Numerical dispatch remains at whole proximal-operation boundaries. ## Inherent implementation [Source]() ```rust impl

ErasedPathPenalty

``` ### `new` ```rust pub fn new(penalty: P) -> Self ``` [Source]() Retain the penalty's automatic path capabilities before boxing it. ## [Implementation of PathPenalty](<5696a47a26612eb54b73987df7c9af737a60d396dd77d3c0b67969a3a5f37105>) [Source]() ```rust impl PathPenalty for ErasedPathPenalty

where

::AtStrength: 'static ``` ### `AtStrength` ```rust type AtStrength = Box>; ``` [Source]() ### `at_strength` ```rust fn at_strength( &self, lambda: f64 ) -> Result<::AtStrength, FitError> ``` [Source]() ### `maximum_penalty` ```rust fn maximum_penalty(&self, gradient: &[f64]) -> Result ``` [Source]() ### `path_anchor` ```rust fn path_anchor(&self, gradient: &[f64]) -> Result ``` [Source]() ## [Implementation of Penalty]() [Source]() ```rust impl Penalty for ErasedPathPenalty

``` ### `Error` ```rust type Error = FitError; ``` [Source]() ### `validate_input` ```rust fn validate_input(&self, input: &[f64]) -> Result<(), FitError> ``` [Source]() ### `value` ```rust fn value(&self, input: &[f64]) -> Result ``` [Source]() ## [Implementation of ProximalPenalty](<45434a0394c5d718086e7e777f7db8271e2fb2b568e2519720168e5ea2877ed0>) [Source]() ```rust impl ProximalPenalty for ErasedPathPenalty

``` ### `gap_safe` ```rust fn gap_safe(&self) -> Option<&dyn shrinkage::GapSafePenalty> ``` [Source]() ### `prox` ```rust fn prox( &self, input: &[f64], step: f64, output: &mut [f64] ) -> Result<(), FitError> ``` [Source]() ## Implementation of Freeze ```rust impl

Freeze for ErasedPathPenalty

where P: Freeze ``` ## Implementation of RefUnwindSafe ```rust impl

RefUnwindSafe for ErasedPathPenalty

where P: RefUnwindSafe ``` ## Implementation of Send ```rust impl

Send for ErasedPathPenalty

where P: Send ``` ## Implementation of Sync ```rust impl

Sync for ErasedPathPenalty

where P: Sync ``` ## Implementation of Unpin ```rust impl

Unpin for ErasedPathPenalty

where P: Unpin ``` ## Implementation of UnsafeUnpin ```rust impl

UnsafeUnpin for ErasedPathPenalty

where P: UnsafeUnpin ``` ## Implementation of UnwindSafe ```rust impl

UnwindSafe for ErasedPathPenalty

where P: UnwindSafe ``` ## Implementation of Any ```rust impl Any for T where T: 'static + ?Sized ``` ## Implementation of Borrow ```rust impl Borrow for T where T: ?Sized ``` ## Implementation of BorrowMut ```rust impl BorrowMut for T where T: ?Sized ``` ## Implementation of ByRef ```rust impl ByRef for T ``` ## Implementation of CastableFrom ```rust impl CastableFrom for DT where ST: ?Sized, DT: ?Sized ``` ## Implementation of CastableFrom ```rust impl CastableFrom for DT where ST: ?Sized, DT: ?Sized ``` ## Implementation of From ```rust impl From for T ``` ## Implementation of Imply ```rust impl Imply for U where T: ?Sized, U: ?Sized ``` ## Implementation of Into ```rust impl Into for T where U: From ``` ## Implementation of IntoEither ```rust impl IntoEither for T ``` ## Implementation of Pointable ```rust impl Pointable for T ``` ## Implementation of Read ```rust impl Read for T where T: ?Sized ``` ## Implementation of Same ```rust impl Same for T ``` ## Implementation of SupersetOf ```rust impl SupersetOf for SP where SS: SubsetOf ``` ## Implementation of TryFrom ```rust impl TryFrom for T where U: Into ``` ## Implementation of TryInto ```rust impl TryInto for T where U: TryFrom ```