Struct figment::value::Tag

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pub struct Tag(/* private fields */);
Expand description

An opaque, unique tag identifying a value’s Metadata and profile.

A Tag is retrieved either via Tagged or Value::tag(). The corresponding metadata can be retrieved via Figment::get_metadata() and the profile vile Tag::profile().

Implementations§

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impl Tag

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pub const Default: Tag = _

The default Tag. Such a tag will never have associated metadata and is associated with a profile of Default.

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pub const fn is_default(self) -> bool

Returns true if self is Tag::Default.

Example
use figment::value::Tag;

assert!(Tag::Default.is_default());
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pub fn profile(self) -> Option<Profile>

Returns the profile self refers to if it is either Profile::Default or Profile::Custom; otherwise returns None.

Example
use figment::Profile;
use figment::value::Tag;

assert_eq!(Tag::Default.profile(), Some(Profile::Default));

Trait Implementations§

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impl Clone for Tag

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fn clone(&self) -> Tag

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 Tag

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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 Default for Tag

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for Tag

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fn deserialize<D>(deserializer: D) -> Result<Tag, D::Error>where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl From<Tag> for Value

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fn from(tag: Tag) -> Self

Converts to this type from the input type.
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impl Hash for Tag

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for Tag

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

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

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

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

Restrict a value to a certain interval. Read more
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impl PartialEq<Tag> for Tag

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd<Tag> for Tag

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fn partial_cmp(&self, other: &Self) -> 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

This method 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

This method 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

This method 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

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Serialize for Tag

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fn serialize<S: Serializer>(&self, ser: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer. Read more
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impl Copy for Tag

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impl Eq for Tag

Auto Trait Implementations§

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impl RefUnwindSafe for Tag

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impl Send for Tag

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impl Sync for Tag

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impl Unpin for Tag

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impl UnwindSafe for Tag

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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<Q, K> Comparable<K> for Qwhere Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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 Twhere 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> Paint for Twhere T: ?Sized,

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fn fg(&self, value: Color) -> Painted<&T>

Returns a styled value derived from self with the foreground set to value.

This method should be used rarely. Instead, prefer to use color-specific builder methods like red() and green(), which have the same functionality but are pithier.

Example

Set foreground color to white using fg():

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painted.fg(Color::White);

Set foreground color to white using white().

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painted.white();
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fn primary(&self) -> Painted<&T>

Returns self with the fg() set to Color::Primary.

Example
println!("{}", value.primary());
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fn fixed(&self, color: u8) -> Painted<&T>

Returns self with the fg() set to Color::Fixed.

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println!("{}", value.fixed(color));
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fn rgb(&self, r: u8, g: u8, b: u8) -> Painted<&T>

Returns self with the fg() set to Color::Rgb.

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println!("{}", value.rgb(r, g, b));
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Returns self with the fg() set to Color::Black.

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println!("{}", value.black());
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Returns self with the fg() set to Color::Red.

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println!("{}", value.red());
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Returns self with the fg() set to Color::Green.

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println!("{}", value.green());
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fn yellow(&self) -> Painted<&T>

Returns self with the fg() set to Color::Yellow.

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println!("{}", value.yellow());
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Returns self with the fg() set to Color::Blue.

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println!("{}", value.blue());
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Returns self with the fg() set to Color::Magenta.

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println!("{}", value.magenta());
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Returns self with the fg() set to Color::Cyan.

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println!("{}", value.cyan());
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Returns self with the fg() set to Color::White.

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println!("{}", value.white());
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Returns self with the fg() set to Color::BrightBlack.

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println!("{}", value.bright_black());
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Returns self with the fg() set to Color::BrightRed.

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println!("{}", value.bright_red());
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Returns self with the fg() set to Color::BrightGreen.

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println!("{}", value.bright_green());
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fn bright_yellow(&self) -> Painted<&T>

Returns self with the fg() set to Color::BrightYellow.

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println!("{}", value.bright_yellow());
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Returns self with the fg() set to Color::BrightBlue.

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println!("{}", value.bright_blue());
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fn bright_magenta(&self) -> Painted<&T>

Returns self with the fg() set to Color::BrightMagenta.

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println!("{}", value.bright_magenta());
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fn bright_cyan(&self) -> Painted<&T>

Returns self with the fg() set to Color::BrightCyan.

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println!("{}", value.bright_cyan());
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fn bright_white(&self) -> Painted<&T>

Returns self with the fg() set to Color::BrightWhite.

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println!("{}", value.bright_white());
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fn bg(&self, value: Color) -> Painted<&T>

Returns a styled value derived from self with the background set to value.

This method should be used rarely. Instead, prefer to use color-specific builder methods like on_red() and on_green(), which have the same functionality but are pithier.

Example

Set background color to red using fg():

use yansi::{Paint, Color};

painted.bg(Color::Red);

Set background color to red using on_red().

use yansi::Paint;

painted.on_red();
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fn on_primary(&self) -> Painted<&T>

Returns self with the bg() set to Color::Primary.

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println!("{}", value.on_primary());
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fn on_fixed(&self, color: u8) -> Painted<&T>

Returns self with the bg() set to Color::Fixed.

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println!("{}", value.on_fixed(color));
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Returns self with the bg() set to Color::Rgb.

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println!("{}", value.on_rgb(r, g, b));
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Returns self with the bg() set to Color::Black.

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println!("{}", value.on_black());
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Returns self with the bg() set to Color::Red.

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println!("{}", value.on_red());
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fn on_green(&self) -> Painted<&T>

Returns self with the bg() set to Color::Green.

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println!("{}", value.on_green());
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fn on_yellow(&self) -> Painted<&T>

Returns self with the bg() set to Color::Yellow.

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println!("{}", value.on_yellow());
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Returns self with the bg() set to Color::Blue.

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println!("{}", value.on_blue());
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Returns self with the bg() set to Color::Magenta.

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println!("{}", value.on_magenta());
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fn on_cyan(&self) -> Painted<&T>

Returns self with the bg() set to Color::Cyan.

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println!("{}", value.on_cyan());
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fn on_white(&self) -> Painted<&T>

Returns self with the bg() set to Color::White.

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println!("{}", value.on_white());
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Returns self with the bg() set to Color::BrightBlack.

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println!("{}", value.on_bright_black());
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fn on_bright_red(&self) -> Painted<&T>

Returns self with the bg() set to Color::BrightRed.

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println!("{}", value.on_bright_red());
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fn on_bright_green(&self) -> Painted<&T>

Returns self with the bg() set to Color::BrightGreen.

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println!("{}", value.on_bright_green());
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fn on_bright_yellow(&self) -> Painted<&T>

Returns self with the bg() set to Color::BrightYellow.

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println!("{}", value.on_bright_yellow());
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fn on_bright_blue(&self) -> Painted<&T>

Returns self with the bg() set to Color::BrightBlue.

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println!("{}", value.on_bright_blue());
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fn on_bright_magenta(&self) -> Painted<&T>

Returns self with the bg() set to Color::BrightMagenta.

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println!("{}", value.on_bright_magenta());
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fn on_bright_cyan(&self) -> Painted<&T>

Returns self with the bg() set to Color::BrightCyan.

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println!("{}", value.on_bright_cyan());
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fn on_bright_white(&self) -> Painted<&T>

Returns self with the bg() set to Color::BrightWhite.

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println!("{}", value.on_bright_white());
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fn attr(&self, value: Attribute) -> Painted<&T>

Enables the styling Attribute value.

This method should be used rarely. Instead, prefer to use attribute-specific builder methods like bold() and underline(), which have the same functionality but are pithier.

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Make text bold using attr():

use yansi::{Paint, Attribute};

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Make text bold using using bold().

use yansi::Paint;

painted.bold();
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Returns self with the attr() set to Attribute::Bold.

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Returns self with the attr() set to Attribute::Dim.

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Returns self with the attr() set to Attribute::Italic.

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Returns self with the attr() set to Attribute::Underline.

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Returns self with the attr() set to Attribute::Invert.

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Returns self with the attr() set to Attribute::Conceal.

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Returns self with the attr() set to Attribute::Strike.

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Enables the yansi Quirk value.

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Returns self with the quirk() set to Quirk::OnBright.

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Conditionally enable styling based on whether the Condition value applies. Replaces any previous condition.

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Enable styling painted only when both stdout and stderr are TTYs:

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fn new(self) -> Painted<Self>where Self: Sized,

Create a new Painted with a default Style. Read more
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Apply a style wholesale to self. Any previous style is replaced. Read more
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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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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 Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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Performs the conversion.
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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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Performs the conversion.
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