Enum FlagSetting

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pub enum FlagSetting {
    Default(FlagValue),
    Unset,
    Set(FlagValue, Span),
}
Expand description

A flag setting.

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Default(FlagValue)

A default value that has not been overriden (even if with the same value)

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Unset

An unset flag, for ones without default values.

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Set(FlagValue, Span)

An explicitly set value for a flag. NOT A FLAG SET.

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impl FlagSetting

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pub fn get_value(&self) -> Option<&FlagValue>

Get the flag’s value, if there’s any.

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pub fn get_span(&self) -> Option<Span>

Get the span where the flag is set, if it is.

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impl Debug for FlagSetting

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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> Convert for T

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fn convert<U>(self, context: &CompileContext) -> Expr<U>
where U: ConvertFrom<T>,

Convert self into a specific type. Read more
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fn can_convert<U>(&self) -> bool
where U: ConvertFrom<T>,

Check if self can be converted into a specific type. 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<U> 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, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.