pub enum Number {
Integer(i64),
Float(Float),
}
Expand description
A wrapper for a number, which can be either f64
or i64
.
Variants§
Implementations§
source§impl Number
impl Number
sourcepub fn into_f64(self) -> f64
pub fn into_f64(self) -> f64
Returns the f64
representation of the number regardless of whether the number is stored
as a float or integer.
Example
let i = Number::new(5);
let f = Number::new(2.0);
assert_eq!(i.into_f64(), 5.0);
assert_eq!(f.into_f64(), 2.0);
sourcepub fn as_f64(self) -> Option<f64>
pub fn as_f64(self) -> Option<f64>
If the Number
is a float, return it. Otherwise return None
.
Example
let i = Number::new(5);
let f = Number::new(2.0);
assert_eq!(i.as_f64(), None);
assert_eq!(f.as_f64(), Some(2.0));
sourcepub fn as_i64(self) -> Option<i64>
pub fn as_i64(self) -> Option<i64>
If the Number
is an integer, return it. Otherwise return None
.
Example
let i = Number::new(5);
let f = Number::new(2.0);
assert_eq!(i.as_i64(), Some(5));
assert_eq!(f.as_i64(), None);
sourcepub fn map_to<T>(
self,
integer_fn: impl FnOnce(i64) -> T,
float_fn: impl FnOnce(f64) -> T
) -> T
pub fn map_to<T>( self, integer_fn: impl FnOnce(i64) -> T, float_fn: impl FnOnce(f64) -> T ) -> T
Map this number to a single type using the appropriate closure.
Example
let i = Number::new(5);
let f = Number::new(2.0);
assert!(i.map_to(|i| i > 3, |f| f > 3.0));
assert!(!f.map_to(|i| i > 3, |f| f > 3.0));
Trait Implementations§
source§impl Ord for Number
impl Ord for Number
source§impl PartialEq<Number> for Number
impl PartialEq<Number> for Number
source§impl PartialOrd<Number> for Number
impl PartialOrd<Number> for Number
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self
and other
) and is used by the <=
operator. Read moreimpl Copy for Number
impl Eq for Number
impl StructuralEq for Number
impl StructuralPartialEq for Number
Auto Trait Implementations§
impl RefUnwindSafe for Number
impl Send for Number
impl Sync for Number
impl Unpin for Number
impl UnwindSafe for Number
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more