Trait gdnative::nativescript::Map

pub trait Map: UserData {
    type Err: Debug;
    pub fn map<F, U>(&self, op: F) -> Result<U, Self::Err>
    where
        F: FnOnce(&Self::Target) -> U;
}

Trait for wrappers that can be mapped immutably.

Associated Types

type Err: Debug

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Required methods

pub fn map<F, U>(&self, op: F) -> Result<U, Self::Err> where
    F: FnOnce(&Self::Target) -> U, 

Maps a &T to U. Called for methods that take &self.

Implementations of this method must not panic. Failures should be indicated by returning Err.

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Implementors

impl<T> Map for Aether<T> where
    T: NativeClass + Copy + Default, 

type Err = Infallible

pub fn map<F, U>(&self, op: F) -> Result<U, Infallible> where
    F: FnOnce(&T) -> U, 

impl<T> Map for ArcData<T> where
    T: NativeClass + Send + Sync, 

type Err = Infallible

pub fn map<F, U>(&self, op: F) -> Result<U, Infallible> where
    F: FnOnce(&T) -> U, 

impl<T> Map for LocalCellData<T> where
    T: NativeClass, 

type Err = LocalCellError

pub fn map<F, U>(&self, op: F) -> Result<U, <LocalCellData<T> as Map>::Err> where
    F: FnOnce(&<LocalCellData<T> as UserData>::Target) -> U, 

impl<T, OPT> Map for MutexData<T, OPT> where
    T: NativeClass + Send,
    OPT: LockOptions, 

type Err = LockFailed

pub fn map<F, U>(&self, op: F) -> Result<U, LockFailed> where
    F: FnOnce(&T) -> U, 

impl<T, OPT> Map for RwLockData<T, OPT> where
    T: NativeClass + Send + Sync,
    OPT: LockOptions, 

type Err = LockFailed

pub fn map<F, U>(&self, op: F) -> Result<U, LockFailed> where
    F: FnOnce(&T) -> U, 

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