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FieldType

Enum FieldType 

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pub enum FieldType {
    Null,
    Bool,
    Int,
    Float,
    Str,
    Ref,
    Extended(ExtKind),
    Map,
    Seq,
}
Expand description

The type a field expects. Drives type-directed parsing and widget choice.

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Null

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Bool

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Int

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Float

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Str

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Ref

A link into the workspace (stored textually, like Str, but a reference).

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Extended(ExtKind)

A format-specific scalar carried verbatim — a TOML datetime, a ZON enum or char literal. Coercing to one keeps the value’s native type instead of quoting it into a string, so a TOML date = 1979-05-27 survives an edit as a date rather than becoming date = "1979-05-27".

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Map

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Seq

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impl FieldType

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pub fn coerce(self, s: &str) -> Value

Coerce an edit-buffer string to this type — the schema-directed counterpart of shape-guessing. A value that doesn’t fit the type falls back to a string (the caller’s own reparse is the final backstop); container types are not scalar-edited, so they also pass through as text.

Note that Float accepts the non-finite spellings Rust’s parser does (inf, NaN). fig renders those as YAML’s .inf/.nan, but they have no representation in JSON or TOML — an embedder targeting those formats should reject them before they reach here.

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impl Clone for FieldType

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fn clone(&self) -> FieldType

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for FieldType

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impl Debug for FieldType

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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 Eq for FieldType

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impl PartialEq for FieldType

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for FieldType

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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, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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.