Struct fera_optional::OptionalBool
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pub struct OptionalBool(_);
An Optional
for bool
with 1 byte size.
std::option::Option<bool>
have size 1 since rustc 1.23.
Trait Implementations
impl Clone for OptionalBool
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fn clone(&self) -> OptionalBool
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
Performs copy-assignment from source
. Read more
impl Copy for OptionalBool
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impl PartialEq for OptionalBool
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fn eq(&self, __arg_0: &OptionalBool) -> bool
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This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &OptionalBool) -> bool
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This method tests for !=
.
impl PartialOrd for OptionalBool
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fn partial_cmp(&self, __arg_0: &OptionalBool) -> Option<Ordering>
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This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, __arg_0: &OptionalBool) -> bool
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This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, __arg_0: &OptionalBool) -> bool
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This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, __arg_0: &OptionalBool) -> bool
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This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, __arg_0: &OptionalBool) -> bool
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This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl Eq for OptionalBool
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impl Ord for OptionalBool
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fn cmp(&self, __arg_0: &OptionalBool) -> Ordering
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This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
1.22.0[src]
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.22.0[src]
Compares and returns the minimum of two values. Read more
impl Hash for OptionalBool
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fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
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Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Default for OptionalBool
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fn default() -> OptionalBool
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Returns the "default value" for a type. Read more
impl From<bool> for OptionalBool
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impl Debug for OptionalBool
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impl From<Option<bool>> for OptionalBool
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impl Optional<bool> for OptionalBool
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fn to_option_ref(&self) -> Option<&bool>
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Returns an Option<&T>
that is equivalent to this Optional
.
fn to_option_mut(&mut self) -> Option<&mut bool>
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Returns an Option<&mut T>
that is equivalent to this Optional
.
fn into_option(self) -> Option<bool>
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Converts this Optional
to the equivalent Option
.