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query.private.Predicate.validate_enum

validate_enum ( self , variants : &[&str] ) → Result<(), FilterExpressionError> method [source] ¶ method [source] ¶ validate_enum: Validate this predicate against a custom enum's stable variants.

Errors
Returns FilterExpressionErrorKind::UnknownOperator for another scalar family, FilterExpressionErrorKind::InvalidStructure for an invalid equality shape, or FilterExpressionErrorKind::InvalidLiteral for an unknown variant.
The crate::query::Filterable example executes this method in a hand-written generated-code expansion.

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