# tracing_core::field::ValueSet - Rust
API documentation for the Rust `ValueSet` struct in crate `tracing_core`.
Keywords: rust, rustlang, rust-lang, ValueSet

# Struct tracing_core::field::ValueSet [−] [src]

    pub struct ValueSet<'a> { /* fields omitted */ }

A set of fields and values for a span.

## Implementations

### `impl<'a> ValueSet<'a>` [src]

#### `pub fn callsite(&self) -> Identifier` [src]

Returns an `Identifier` that uniquely identifies the `Callsite` defining the fields this `ValueSet` refers to.

## Trait Implementations

### `impl<'a> Debug for ValueSet<'a>` [src]

#### `fn fmt(&self, f: &mut Formatter<'_>) -> Result` [src]

Formats the value using the given formatter. Read more

### `impl<'a> Display for ValueSet<'a>` [src]

#### `fn fmt(&self, f: &mut Formatter<'_>) -> Result` [src]

Formats the value using the given formatter. Read more

## Auto Trait Implementations

### `impl<'a> !RefUnwindSafe for ValueSet<'a>` [src]

### `impl<'a> !Send for ValueSet<'a>` [src]

### `impl<'a> !Sync for ValueSet<'a>` [src]

### `impl<'a> Unpin for ValueSet<'a>` [src]

### `impl<'a> !UnwindSafe for ValueSet<'a>` [src]

## Blanket Implementations

### `impl<T> Any for T where
T: 'static + ?Sized,` [src]

#### `pub fn type_id(&self) -> TypeId` [src]

Gets the `TypeId` of `self`. Read more

### `impl<T> Borrow<T> for T where
T: ?Sized,` [src]

#### `pub fn borrow(&self) -> &T` [src]

Immutably borrows from an owned value. Read more

### `impl<T> BorrowMut<T> for T where
T: ?Sized,` [src]

#### `pub fn borrow_mut(&mut self) -> &mut T` [src]

Mutably borrows from an owned value. Read more

### `impl<T> From<T> for T` [src]

#### `pub fn from(t: T) -> T` [src]

Performs the conversion.

### `impl<T, U> Into<U> for T where
U: From<T>,` [src]

#### `pub fn into(self) -> U` [src]

Performs the conversion.

### `impl<T> ToString for T where
T: Display + ?Sized,` [src]

#### `pub default fn to_string(&self) -> String` [src]

Converts the given value to a `String`. Read more

### `impl<T, U> TryFrom<U> for T where
U: Into<T>,` [src]

#### `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>` [src]

Performs the conversion.

### `impl<T, U> TryInto<U> for T where
U: TryFrom<T>,` [src]

#### `type Error = <U as TryFrom<T>>::Error`

The type returned in the event of a conversion error.

#### `pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>` [src]

Performs the conversion.