pub struct IndexBounds {
    pub start: Option<usize>,
    pub end: Option<usize>,
}
Expand description

Defines which number of arguments is valid.

Convertible from an exact value a as well as inclusive range expressions a.., ..=b, a..=b.

Fields§

§start: Option<usize>

The lower (inclusive) bound of the expected number of arguments, or None if unbounded.

§end: Option<usize>

The upper (inclusive) bound of the expected number of arguments, or None if unbounded.

Implementations§

Trait Implementations§

Formats the value using the given formatter. Read more
Formats the value using the given formatter. Read more

a..

Converts to this type from the input type.

a..=b

Converts to this type from the input type.

..=b

Converts to this type from the input type.

a

Converts to this type from the input type.

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

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

Converts the given value to a String. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.