Function Eval

pkg/filter/ql/ast.go:34–46

Eval evaluates expr against a map that contains the field values.

(expr Expr, m map[string]interface{}, useFuncValuer bool)

// Eval evaluates expr against a map that contains the field values.
func Eval(expr Expr, m map[string]interface{}, useFuncValuer bool) bool {
	var eval ValuerEval
	if useFuncValuer {
		eval = ValuerEval{Valuer: MultiValuer(MapValuer(m), FunctionValuer{m})}
	} else {
		eval = ValuerEval{Valuer: MapValuer(m)}
	}
	v, ok := eval.Eval(expr).(bool)
	if !ok {
		return false
	}
	return v
}

// MapValuer is a valuer that substitutes values for the mapped interface.
type MapValuer map[string]interface{}