Enum pica_record::matcher::RelationalOp

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pub enum RelationalOp {
    Eq,
    Ne,
    Gt,
    Ge,
    Lt,
    Le,
    StartsWith,
    StartsNotWith,
    EndsWith,
    EndsNotWith,
    Similar,
    Contains,
}
Expand description

Relational Operator

Variants§

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Eq

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Ne

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Gt

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Ge

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Lt

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Le

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StartsWith

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StartsNotWith

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EndsWith

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EndsNotWith

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Similar

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Contains

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impl RelationalOp

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pub fn is_usize_applicable(&self) -> bool

Returns true of the operator can be used in combination with the usize type, otherwise false.

§Example
use pica_record::matcher::RelationalOp;

assert!(RelationalOp::Eq.is_usize_applicable());
assert!(RelationalOp::Ne.is_usize_applicable());
assert!(RelationalOp::Ge.is_usize_applicable());
assert!(RelationalOp::Gt.is_usize_applicable());
assert!(RelationalOp::Le.is_usize_applicable());
assert!(RelationalOp::Lt.is_usize_applicable());

assert!(!RelationalOp::Contains.is_usize_applicable());
assert!(!RelationalOp::EndsNotWith.is_usize_applicable());
assert!(!RelationalOp::EndsWith.is_usize_applicable());
assert!(!RelationalOp::Similar.is_usize_applicable());
assert!(!RelationalOp::StartsNotWith.is_usize_applicable());
assert!(!RelationalOp::StartsWith.is_usize_applicable());
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pub fn is_str_applicable(&self) -> bool

Returns true of the operator can be used in combination with str or byte slices, otherwise false.

§Example
use pica_record::matcher::RelationalOp;

assert!(RelationalOp::Eq.is_str_applicable());
assert!(RelationalOp::Ne.is_str_applicable());
assert!(RelationalOp::Contains.is_str_applicable());
assert!(RelationalOp::EndsNotWith.is_str_applicable());
assert!(RelationalOp::EndsWith.is_str_applicable());
assert!(RelationalOp::Similar.is_str_applicable());
assert!(RelationalOp::StartsNotWith.is_str_applicable());
assert!(RelationalOp::StartsWith.is_str_applicable());

assert!(!RelationalOp::Ge.is_str_applicable());
assert!(!RelationalOp::Gt.is_str_applicable());
assert!(!RelationalOp::Le.is_str_applicable());
assert!(!RelationalOp::Lt.is_str_applicable());

Trait Implementations§

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impl Clone for RelationalOp

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fn clone(&self) -> RelationalOp

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 RelationalOp

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

Formats the value using the given formatter. Read more
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impl Display for RelationalOp

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

Formats the value using the given formatter. Read more
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impl PartialEq for RelationalOp

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fn eq(&self, other: &RelationalOp) -> 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 Eq for RelationalOp

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impl StructuralPartialEq for RelationalOp

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> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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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.