Module canrun::state::constraints

Run code when variables are resolved.

Structs

VarWatch

A set of variables to watch on behalf of a constraint object.

Enums

OneOfTwo

Resolve one out of two Vals or return an Err(VarWatch) in a Constraint.

TwoOfThree

Resolve two out of three Vals or return an Err(VarWatch) in a Constraint.

Traits

Constraint

Update a State whenever one or more LVars are resolved.

Functions

resolve_1

Resolve one Val or return an Err(VarWatch) in a Constraint.

resolve_2

Resolve two Vals or return an Err(VarWatch) in a Constraint.

Type Definitions

ResolveFn

An alias for the function that should be returned by a successful Constraint::attempt to update the State.