func golang.org/x/text/cases.isUpper

4 uses

	golang.org/x/text/cases (current package)
		context.go#L253: func isUpper(c *context) bool {
		map.go#L65: 		{aztrUpper(upper), isUpper}, // az
		map.go#L69: 		{aztrUpper(upper), isUpper}, // tr
		map.go#L171: 	for c.next() && isUpper(&c) {