Enum druid::piet::cairo::glib::translate::GlibNoneOrInvalidError

pub enum GlibNoneOrInvalidError<I>where
    I: Error,{
    Invalid(I),
    None,
}

Error type for TryFromGlib when the Glib value can be None or invalid.

Variants

Invalid(I)

None

Implementations

impl<I> GlibNoneOrInvalidError<I>where I: Error,

pub fn none() -> GlibNoneOrInvalidError<I>

Builds the None variant.

pub fn is_none(&self) -> bool

Returns true if self is the None variant.

pub fn is_invalid(&self) -> bool

Returns true if self is the Invalid variant.

Trait Implementations

impl<I> Debug for GlibNoneOrInvalidError<I>where I: Debug + Error,

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

Formats the value using the given formatter.

impl<I> Display for GlibNoneOrInvalidError<I>where I: Error,

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

Formats the value using the given formatter.

impl<I> Error for GlibNoneOrInvalidError<I>where I: Error,

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, demand: &mut Demand<'a>)

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

Provides type based access to context intended for error reports.

impl<I> From<I> for GlibNoneOrInvalidError<I>where I: Error,

fn from(invalid: I) -> GlibNoneOrInvalidError<I>

Converts to this type from the input type.

impl<I> PartialEq<GlibNoneOrInvalidError<I>> for GlibNoneOrInvalidError<I>where I: PartialEq<I> + Error,

fn eq(&self, other: &GlibNoneOrInvalidError<I>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<I> Eq for GlibNoneOrInvalidError<I>where I: Eq + Error,

impl<I> StructuralEq for GlibNoneOrInvalidError<I>where I: Error,

impl<I> StructuralPartialEq for GlibNoneOrInvalidError<I>where I: Error,