Trait PredefinedConstraintsExt 

pub trait PredefinedConstraintsExt {
    // Required method
    fn predefined_constraints(&self) -> Result<Option<PredefinedRules>>;
}

Extension trait for extracting buf.validate.predefined rules from a field descriptor.

Required Methods

fn predefined_constraints(&self) -> Result<Option<PredefinedRules>>

Returns the PredefinedRules for this field, if any.

Errors

Returns an error if the extension value cannot be transcoded to PredefinedRules.

Implementations on Foreign Types

impl PredefinedConstraintsExt for FieldDescriptor

fn predefined_constraints(&self) -> Result<Option<PredefinedRules>>

Implementors