lexical_core

Struct ParseFloatOptions

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pub struct ParseFloatOptions { /* private fields */ }
Expand description

Options to customize parsing floats.

§Examples

use lexical_parse_float::Options;

let options = Options::builder()
    .lossy(true)
    .nan_string(Some(b"NaN"))
    .inf_string(Some(b"Inf"))
    .infinity_string(Some(b"Infinity"))
    .build()
    .unwrap();

Implementations§

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impl Options

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pub const fn new() -> Options

Create options with default values.

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pub const fn is_valid(&self) -> bool

Check if the options state is valid.

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pub const fn lossy(&self) -> bool

Get if we disable the use of arbitrary-precision arithmetic.

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pub const fn exponent(&self) -> u8

Get the character to designate the exponent component of a float.

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pub const fn decimal_point(&self) -> u8

Get the character to separate the integer from the fraction components.

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pub const fn nan_string(&self) -> Option<&'static [u8]>

Get the string representation for NaN.

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pub const fn inf_string(&self) -> Option<&'static [u8]>

Get the short string representation for Infinity.

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pub const fn infinity_string(&self) -> Option<&'static [u8]>

Get the long string representation for Infinity.

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pub unsafe fn set_lossy(&mut self, lossy: bool)

Set if we disable the use of arbitrary-precision arithmetic.

§Safety

Always safe, just marked as unsafe for API compatibility.

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pub unsafe fn set_exponent(&mut self, exponent: u8)

Set the character to designate the exponent component of a float.

§Safety

Always safe, but may produce invalid output if the exponent is not a valid ASCII character.

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pub unsafe fn set_decimal_point(&mut self, decimal_point: u8)

Set the character to separate the integer from the fraction components.

§Safety

Always safe, but may produce invalid output if the decimal point is not a valid ASCII character.

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pub unsafe fn set_nan_string(&mut self, nan_string: Option<&'static [u8]>)

Set the string representation for NaN. Unsafe, use the builder API for option validation.

§Safety

Always safe, just marked as unsafe for API compatibility.

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pub unsafe fn set_inf_string(&mut self, inf_string: Option<&'static [u8]>)

Set the short string representation for Infinity Unsafe, use the builder API for option validation.

§Safety

Always safe, just marked as unsafe for API compatibility.

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pub unsafe fn set_infinity_string( &mut self, infinity_string: Option<&'static [u8]>, )

Set the long string representation for Infinity Unsafe, use the builder API for option validation.

§Safety

Always safe, just marked as unsafe for API compatibility.

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pub const fn builder() -> OptionsBuilder

Get OptionsBuilder as a static function.

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pub const fn rebuild(&self) -> OptionsBuilder

Create OptionsBuilder using existing values.

Trait Implementations§

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impl Clone for Options

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fn clone(&self) -> Options

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Options

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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 Default for Options

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fn default() -> Options

Returns the “default value” for a type. Read more
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impl Ord for Options

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fn cmp(&self, other: &Options) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl ParseOptions for Options

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fn is_valid(&self) -> bool

Determine if the options are valid.
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impl PartialEq for Options

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for Options

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fn partial_cmp(&self, other: &Options) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Eq for Options

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impl StructuralPartialEq for Options

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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.