Struct marc::record::Subfield

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

A single subfield code + value pair

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impl Subfield

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pub fn to_breaker(&self) -> String

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impl Subfield

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pub fn new( code: impl Into<String>, content: impl Into<String>, ) -> Result<Self, String>

Create a Subfield with the provided code and content.

  • code - Must have the correct byte count.
§Examples
use marc::Subfield;
let subfield: Subfield = match Subfield::new("a", "Στη σκιά της πεταλούδας") {
  Ok(sf) => sf,
  Err(e) => panic!("Subfield::new() failed with: {}", e),
};
assert_eq!(subfield.content(), "Στη σκιά της πεταλούδας");
use marc::Subfield;
Subfield::new("🦋", "Στη σκιά της πεταλούδας").unwrap();
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pub fn content(&self) -> &str

Get the Subfield content.

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pub fn set_content(&mut self, content: impl Into<String>)

Set the Subfield content.

§Examples
use marc::Subfield;
let mut subfield: Subfield = Subfield::new("a", "potato").unwrap();
subfield.set_content("cheese");
assert_eq!(subfield.content(), "cheese");
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pub fn code(&self) -> &str

Get the Subfield code.

§Examples
use marc::Subfield;
let subfield: Subfield = Subfield::new("a", "potato").unwrap();
assert_eq!(subfield.code(), "a");
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pub fn set_code(&mut self, code: impl Into<String>) -> Result<(), String>

Set the Subfield code.

§Examples
use marc::Subfield;
let mut subfield: Subfield = Subfield::new("a", "potato").unwrap();
subfield.set_code("q");
assert_eq!(subfield.code(), "q");
use marc::Subfield;
let mut subfield: Subfield = Subfield::new("a", "potato").unwrap();
subfield.set_code("🥔").unwrap();

Trait Implementations§

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impl Clone for Subfield

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fn clone(&self) -> Subfield

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 Subfield

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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 Subfield

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fn eq(&self, other: &Subfield) -> 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 StructuralPartialEq for Subfield

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> 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, 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.