Struct Shape

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struct Shape<'a> {
    style: Style,
    fields: Vec<FieldInfo>,
    extra: Vec<&'a DataEntry>,
}

Expand description

The fields of a struct or of one enum variant, validated, with the data(...) entries that follow them.

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§style: Style§fields: Vec<FieldInfo>§extra: Vec<&'a DataEntry>

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impl<'a> Shape<'a>

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fn from_fields( fields: &Fields, extra: Vec<&'a DataEntry>, context: &str, ) -> Result<Shape<'a>>

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fn pattern_all(&self, path: &TokenStream) -> TokenStream

A pattern binding every field (for message format strings).

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fn pattern_data(&self, path: &TokenStream) -> TokenStream

A pattern binding only the fields that produce data entries.

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fn pattern_wild(&self, path: &TokenStream) -> TokenStream

A pattern that matches without binding anything.

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fn data_expr(&self) -> TokenStream

The Option<ConditionData> expression over the bindings of Self::pattern_data: the fields’ entries, then the data(...) ones.

Auto Trait Implementations§

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impl<'a> UnwindSafe for Shape<'a>

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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default fn lower_bound(&self) -> usize

🔬This is a nightly-only experimental API. (core_io_internals)

Returns a lower bound on the number of elements this container-like item contains. For example, an array [u8; 12] could return any value between 0 and 12 inclusively as a correct implementation. Read more

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default fn upper_bound(&self) -> Option<usize>

🔬This is a nightly-only experimental API. (core_io_internals)

Returns an upper bound on the number of elements this container-like item contains if it can be determined, otherwise None. Read more

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final fn size_hint(&self) -> (usize, Option<usize>)

🔬This is a nightly-only experimental API. (core_io_internals)

Returns an estimate for the number of elements this container like type contains. Read more

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