Enum syn::WherePredicate [] [src]

pub enum WherePredicate {
    Type(PredicateType),
    Lifetime(PredicateLifetime),
    Eq(PredicateEq),
}

A single predicate in a where clause: T: Deserialize<'de>.

This type is available if Syn is built with the "derive" or "full" feature.

Syntax tree enum

This type is a syntax tree enum.

Variants

A type predicate in a where clause: for<'c> Foo<'c>: Trait<'c>.

This type is available if Syn is built with the "derive" or "full" feature.

A lifetime predicate in a where clause: 'a: 'b + 'c.

This type is available if Syn is built with the "derive" or "full" feature.

An equality predicate in a where clause (unsupported).

This type is available if Syn is built with the "derive" or "full" feature.

Trait Implementations

impl Synom for WherePredicate
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A short name of the type being parsed. Read more

impl Debug for WherePredicate
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Formats the value using the given formatter. Read more

impl Eq for WherePredicate
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impl PartialEq for WherePredicate
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This method tests for self and other values to be equal, and is used by ==. Read more

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This method tests for !=.

impl Hash for WherePredicate
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Feeds this value into the given [Hasher]. Read more

1.3.0
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Feeds a slice of this type into the given [Hasher]. Read more

impl Clone for WherePredicate
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Returns a copy of the value. Read more

1.0.0
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Performs copy-assignment from source. Read more

impl From<PredicateType> for WherePredicate
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Performs the conversion.

impl From<PredicateLifetime> for WherePredicate
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Performs the conversion.

impl From<PredicateEq> for WherePredicate
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Performs the conversion.

impl ToTokens for WherePredicate
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Write self to the given TokenStream. Read more

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Convert self directly into a TokenStream object. Read more