Struct fera_optional::OptionalBool [] [src]

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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Returns a copy of the value. Read more

1.0.0
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Performs copy-assignment from source. Read more

impl Copy for OptionalBool
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impl PartialEq for OptionalBool
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This method tests for self and other values to be equal, and is used by ==. Read more

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This method tests for !=.

impl PartialOrd for OptionalBool
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This method returns an ordering between self and other values if one exists. Read more

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This method tests less than (for self and other) and is used by the < operator. Read more

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This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

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This method tests greater than (for self and other) and is used by the > operator. Read more

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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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This method returns an Ordering between self and other. Read more

1.22.0
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Compares and returns the maximum of two values. Read more

1.22.0
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Compares and returns the minimum of two values. Read more

impl Hash for OptionalBool
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Feeds this value into the given [Hasher]. Read more

1.3.0
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Feeds a slice of this type into the given [Hasher]. Read more

impl Default for OptionalBool
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Returns the "default value" for a type. Read more

impl From<bool> for OptionalBool
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Performs the conversion.

impl Debug for OptionalBool
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Formats the value using the given formatter.

impl From<Option<bool>> for OptionalBool
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Performs the conversion.

impl Optional<bool> for OptionalBool
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Returns an Option<&T> that is equivalent to this Optional.

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Returns an Option<&mut T> that is equivalent to this Optional.

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Converts this Optional to the equivalent Option.