Enum rocket::mtls::oid::asn1_rs::Real

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pub enum Real {
    Binary {
        mantissa: f64,
        base: u32,
        exponent: i32,
        enc_base: u8,
    },
    Infinity,
    NegInfinity,
    Zero,
}
Available on crate feature mtls only.
Expand description

ASN.1 REAL type

§Limitations

When encoding binary values, only base 2 is supported

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Binary

Fields

§mantissa: f64
§base: u32
§exponent: i32
§enc_base: u8

Non-special values

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Infinity

Infinity (∞).

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NegInfinity

Negative infinity (−∞).

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Zero

Zero

Implementations§

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impl Real

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pub fn new(f: f64) -> Real

Create a new REAL from the f64 value.

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pub const fn with_enc_base(self, enc_base: u8) -> Real

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pub const fn binary(mantissa: f64, base: u32, exponent: i32) -> Real

Create a new binary REAL

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pub fn is_infinite(&self) -> bool

Returns true if this value is positive infinity or negative infinity, and false otherwise.

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pub fn is_finite(&self) -> bool

Returns true if this number is not infinite.

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pub fn f64(&self) -> f64

Returns the ‘f64’ value of this REAL.

Returned value is a float, and may be infinite.

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pub fn f32(&self) -> f32

Returns the ‘f32’ value of this REAL.

This functions casts the result of Real::f64 to a f32, and loses precision.

Trait Implementations§

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impl CheckDerConstraints for Real

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impl Debug for Real

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

Formats the value using the given formatter. Read more
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impl From<Real> for f32

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fn from(r: Real) -> f32

Converts to this type from the input type.
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impl From<Real> for f64

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fn from(r: Real) -> f64

Converts to this type from the input type.
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impl From<f32> for Real

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fn from(f: f32) -> Real

Converts to this type from the input type.
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impl From<f64> for Real

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fn from(f: f64) -> Real

Converts to this type from the input type.
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impl PartialEq for Real

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fn eq(&self, other: &Real) -> bool

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

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const TAG: Tag = Tag::RealType

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impl ToDer for Real

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fn to_der_len(&self) -> Result<usize, Error>

Get the length of the object (including the header), when encoded
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fn write_der_header( &self, writer: &mut dyn Write ) -> Result<usize, SerializeError>

Attempt to write the DER header to this writer.
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fn write_der_content( &self, writer: &mut dyn Write ) -> Result<usize, SerializeError>

Attempt to write the DER content (all except header) to this writer.
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fn to_der_vec(&self) -> Result<Vec<u8>, SerializeError>

Write the DER encoded representation to a newly allocated Vec<u8>.
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fn to_der_vec_raw(&self) -> Result<Vec<u8>, SerializeError>

Similar to using to_vec, but uses provided values without changes. This can generate an invalid encoding for a DER object.
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fn write_der(&self, writer: &mut dyn Write) -> Result<usize, SerializeError>

Attempt to write the DER encoded representation (header and content) into this writer. Read more
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fn write_der_raw(&self, writer: &mut dyn Write) -> Result<usize, SerializeError>

Similar to using to_der, but uses provided values without changes. This can generate an invalid encoding for a DER object.
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impl<'a, 'b> TryFrom<&'b Any<'a>> for Real

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(any: &'b Any<'a>) -> Result<Real, Error>

Performs the conversion.
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impl<'a> TryFrom<Any<'a>> for Real

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(any: Any<'a>) -> Result<Real, Error>

Performs the conversion.
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impl DerAutoDerive for Real

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impl StructuralPartialEq for Real

Auto Trait Implementations§

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impl Freeze for Real

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impl RefUnwindSafe for Real

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impl Send for Real

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impl Sync for Real

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impl Unpin for Real

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impl UnwindSafe for Real

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<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
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fn implicit( self, class: Class, constructed: bool, tag: u32 ) -> TaggedParser<'a, Implicit, Self, E>

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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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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> Choice for T
where T: Tagged,

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fn can_decode(tag: Tag) -> bool

Is the provided Tag decodable as a variant of this CHOICE?
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impl<T> DynTagged for T
where T: Tagged,

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fn tag(&self) -> Tag

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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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fn from_ber(bytes: &'a [u8]) -> Result<(&'a [u8], T), Err<E>>

Attempt to parse input bytes into a BER object
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impl<'a, T, E> FromDer<'a, E> for T
where T: TryFrom<Any<'a>, Error = E> + CheckDerConstraints + DerAutoDerive, E: From<Error>,

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fn from_der(bytes: &'a [u8]) -> Result<(&'a [u8], T), Err<E>>

Attempt to parse input bytes into a DER object (enforcing constraints)
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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

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

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