Struct ConditionalRule 

#[non_exhaustive]
pub struct ConditionalRule {
    pub conditions: Vec<FieldCondition>,
    pub rule_behavior: String,
    pub conditional_validation: Option<ConditionalValidation>,
}

A single conditional rule that resolves to a field behavior when all of its conditions evaluate to true. Conditions within a rule are combined with logical AND: all conditions must match for the rule to fire.

Fields (Non-exhaustive)

Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.

conditions: Vec<FieldCondition>

The conditions that must all evaluate to true for this rule to match. Conditions are combined with logical AND. Use multiple rules with the same RuleBehavior to express logical OR.

rule_behavior: String

The field behavior that applies when all conditions in this rule match. Valid values are REQUIRED, OPTIONAL, and DISALLOWED.

conditional_validation: Option<ConditionalValidation>

Optional per-rule validation constraints (minimum length, maximum length, regex pattern, allowed select values) that override the field's default validation when this rule matches.

Implementations

impl ConditionalRule

pub fn conditions(&self) -> &[FieldCondition]

The conditions that must all evaluate to true for this rule to match. Conditions are combined with logical AND. Use multiple rules with the same RuleBehavior to express logical OR.

pub fn rule_behavior(&self) -> &str

The field behavior that applies when all conditions in this rule match. Valid values are REQUIRED, OPTIONAL, and DISALLOWED.

pub fn conditional_validation(&self) -> Option<&ConditionalValidation>

Optional per-rule validation constraints (minimum length, maximum length, regex pattern, allowed select values) that override the field's default validation when this rule matches.

impl ConditionalRule

pub fn builder() -> ConditionalRuleBuilder

Creates a new builder-style object to manufacture ConditionalRule.

Trait Implementations

impl Clone for ConditionalRule

fn clone(&self) -> ConditionalRule

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ConditionalRule

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for ConditionalRule

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ConditionalRule