Struct RuleDef 

pub struct RuleDef {
    pub name: String,
    pub required: Vec<Var>,
    pub free: Vec<Var>,
    pub clauses: Vec<Clause>,
}

One rule definition.

Fields

name: String

Rule name.

required: Vec<Var>

Head variables that must be bound at invocation.

free: Vec<Var>

Remaining head variables.

clauses: Vec<Clause>

Body clauses.

Implementations

impl RuleDef

pub fn head_vars(&self) -> Vec<&Var>

All head variables in argument order.

Trait Implementations

impl Clone for RuleDef

fn clone(&self) -> RuleDef

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RuleDef

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

Formats the value using the given formatter.

impl Eq for RuleDef

impl PartialEq for RuleDef

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for RuleDef