Skip to main content

TryList

jj_cli::templater

Struct TryList 

Source 
pub struct TryList<T>(/* private fields */);
Expand description

Attempts to render or extract contents in order, returns the first successful output.

Implementations§

Source§

impl<T> TryList<T>

Source

pub fn new(contents: Vec<T>) -> Self

Trait Implementations§

Source§

impl<'a> AnyTemplateProperty<'a> for TryList<BoxedAnyProperty<'a>>

Converts type-erased properties if all items support the operation.

Source§

fn try_into_serialize(self: Box<Self>) -> Option<BoxedSerializeProperty<'a>>

Source§

fn try_into_template(self: Box<Self>) -> Option<Box<dyn Template + 'a>>

Source§

fn try_join( self: Box<Self>, _separator: Box<dyn Template + 'a>, ) -> Option<Box<dyn Template + 'a>>

If this is a list whose elements convert to Template, concatenate with the given separator.
Source§

impl<T: Template> Template for TryList<T>

Source§

fn format(&self, formatter: &mut TemplateFormatter<'_>) -> Result<()>

Source§

impl<T: TemplateProperty> TemplateProperty for TryList<T>

Source§

type Output = <T as TemplateProperty>::Output

Source§

fn extract(&self) -> Result<Self::Output, TemplatePropertyError>

Auto Trait Implementations§

§

impl<T> Freeze for TryList<T>

§

impl<T> RefUnwindSafe for TryList<T>
where T: RefUnwindSafe,

§

impl<T> Send for TryList<T>
where T: Send,

§

impl<T> Sync for TryList<T>
where T: Sync,

§

impl<T> Unpin for TryList<T>
where T: Unpin,

§

impl<T> UnsafeUnpin for TryList<T>

§

impl<T> UnwindSafe for TryList<T>
where T: UnwindSafe,

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

Source§

impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T> Instrument for T

Source§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
Source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> IntoEither for T

Source§

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

impl<T> Pointable for T

Source§

const ALIGN: usize

The alignment of pointer.
Source§

type Init = T

The type for initializers.
Source§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
Source§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
Source§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
Source§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
Source§

impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

Source§

impl<T> Same for T

Source§

type Output = T

Should always be Self
Source§

impl<P> TemplatePropertyExt for P
where P: TemplateProperty + ?Sized,

Source§

fn and_then<O, F>(self, function: F) -> TemplateFunction<Self, F>
where Self: Sized, F: Fn(Self::Output) -> Result<O, TemplatePropertyError>,

Translates to a property that will apply fallible function to an extracted value.
Source§

fn map<O, F>(self, function: F) -> impl TemplateProperty<Output = O>
where Self: Sized, F: Fn(Self::Output) -> O,

Translates to a property that will apply function to an extracted value, leaving Err untouched.
Source§

fn try_unwrap<O>(self, type_name: &str) -> impl TemplateProperty<Output = O>
where Self: TemplateProperty<Output = Option<O>> + Sized,

Translates to a property that will unwrap an extracted Option value of the specified type_name, mapping None to Err.
Source§

fn into_serialize<'a>(self) -> BoxedSerializeProperty<'a>
where Self: Sized + 'a, Self::Output: Serialize,

Converts this property into boxed serialize property.
Source§

fn into_template<'a>(self) -> Box<dyn Template + 'a>
where Self: Sized + 'a, Self::Output: Template,

Converts this property into Template.
Source§

fn into_dyn<'a>(self) -> BoxedTemplateProperty<'a, Self::Output>
where Self: Sized + 'a,

Converts this property into boxed trait object.
Source§

fn into_dyn_wrapped<'a, W>(self) -> W
where Self: Sized + 'a, W: WrapTemplateProperty<'a, Self::Output>,

Converts this property into wrapped (or tagged) type. Read more
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
Source§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

Source§

fn vzip(self) -> V

Source§

impl<T> WithSubscriber for T

Source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
Source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more