Struct nu_source::Tag [−][src]
pub struct Tag { pub anchor: Option<AnchorLocation>, pub span: Span, }
The set of metadata that can be associated with a value
Fields
anchor: Option<AnchorLocation>
The original source for this value
span: Span
The span in the source text for the command that created this value
Implementations
impl Tag
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pub fn new(anchor: Option<AnchorLocation>, span: Span) -> Self
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Constructs a new Tag
.
impl Tag
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pub fn default() -> Self
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Creates a default Tag' with unknown
Spanposition and no
AnchorLocation`
pub fn anchored(self, anchor: Option<AnchorLocation>) -> Tag
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pub fn unknown_anchor(span: Span) -> Tag
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Creates a Tag
from the given Span
with no AnchorLocation
pub fn for_char(pos: usize, anchor: AnchorLocation) -> Tag
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Creates a Tag
from the given AnchorLocation
for a span with a length of 1.
pub fn unknown_span(anchor: AnchorLocation) -> Tag
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Creates a Tag
for the given AnchorLocation
with unknown Span
position.
pub fn unknown() -> Tag
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Creates a Tag
with no AnchorLocation
and an unknown Span
position.
pub fn anchor(&self) -> Option<AnchorLocation>
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Returns the AnchorLocation
of the current Tag
pub fn until(&self, other: impl Into<Tag>) -> Tag
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Both Tags must share the same AnchorLocation
.
pub fn until_option(&self, other: Option<impl Into<Tag>>) -> Tag
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Merges the current Tag
with the given optional Tag
.
Both Tag
s must share the same AnchorLocation
.
The resulting Tag
will have a Span
that starts from the current Tag
and ends at Span
of the given Tag
.
Should the None
variant be passed in, a new Tag
with the same Span
and AnchorLocation
will be returned.
pub fn slice<'a>(&self, source: &'a str) -> &'a str
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pub fn string(&self, source: &str) -> String
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pub fn tagged_slice<'a>(&self, source: &'a str) -> Tagged<&'a str>
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pub fn tagged_string(&self, source: &str) -> Tagged<String>
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pub fn anchor_name(&self) -> Option<String>
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Trait Implementations
impl Clone for Tag
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impl Debug for Tag
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impl Default for Tag
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impl<'de> Deserialize<'de> for Tag
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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error> where
__D: Deserializer<'de>,
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__D: Deserializer<'de>,
impl Eq for Tag
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impl From<&'_ Span> for Tag
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impl From<&'_ Tag> for Tag
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impl From<&'_ Tag> for Span
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impl From<(usize, usize, AnchorLocation)> for Tag
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impl From<(usize, usize, Option<AnchorLocation>)> for Tag
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impl From<Span> for Tag
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impl From<Tag> for Span
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impl Hash for Tag
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fn hash<__H: Hasher>(&self, state: &mut __H)
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pub fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
impl Ord for Tag
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fn cmp(&self, other: &Tag) -> Ordering
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#[must_use]pub fn max(self, other: Self) -> Self
1.21.0[src]
#[must_use]pub fn min(self, other: Self) -> Self
1.21.0[src]
#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self
1.50.0[src]
impl PartialEq<Tag> for Tag
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impl PartialOrd<Tag> for Tag
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fn partial_cmp(&self, other: &Tag) -> Option<Ordering>
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#[must_use]pub fn lt(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn le(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn gt(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn ge(&self, other: &Rhs) -> bool
1.0.0[src]
impl Serialize for Tag
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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error> where
__S: Serializer,
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__S: Serializer,
impl StructuralEq for Tag
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impl StructuralPartialEq for Tag
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Auto Trait Implementations
impl RefUnwindSafe for Tag
impl Send for Tag
impl Sync for Tag
impl Unpin for Tag
impl UnwindSafe for Tag
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,
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T: for<'de> Deserialize<'de>,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,