func UnsupportedCSSFeatures(constraints map[Engine][]int) (unsupported CSSFeature) {
	for feature, engines := range cssTable {
		for engine, version := range constraints {
			if minVersion, ok := engines[engine]; !ok || isVersionLessThan(version, minVersion) {
				unsupported |= feature
			}
		}
	}
	return
}
// Return all features that are not available in at least one environment
Return all features that are not available in at least one environment
// Return all features that are not available in at least one environment
func UnsupportedCSSFeatures(constraints map[Engine][]int) (unsupported CSSFeature) {
	for feature, engines := range cssTable {
		for engine, version := range constraints {
			if minVersion, ok := engines[engine]; !ok || isVersionLessThan(version, minVersion) {
				unsupported |= feature
			}
		}
	}
	return
}
func UnsupportedCSSFeatures ( constraints map [ Engine ] [ ] int ) ( unsupported CSSFeature ) { for feature , engines := range cssTable { for engine , version := range constraints { if minVersion , ok := engines [ engine ] ; ! ok || isVersionLessThan ( version , minVersion ) { unsupported |= feature } } } return }
Return all features that are not available in at least one environment
Return all features that are not available in at least one environment