Method Qualify

interpreter/interpretable.go:1222–1232

Qualify observes the qualification of a object via a value computed at runtime.

(vars Activation, obj any)

// Qualify observes the qualification of a object via a value computed at runtime.
func (e *evalWatchQual) Qualify(vars Activation, obj any) (any, error) {
	out, err := e.Qualifier.Qualify(vars, obj)
	var val ref.Val
	if err != nil {
		val = types.LabelErrNode(e.ID(), types.WrapErr(err))
	} else {
		val = e.adapter.NativeToValue(out)
	}
	e.observer(vars, e.ID(), e.Qualifier, val)
	return out, err
}

// QualifyIfPresent conditionally qualifies the variable and only records a value if one is present.
func (e *evalWatchQual) QualifyIfPresent(vars Activation, obj any, presenceOnly bool) (any, bool, error) {