Function capitalize

pub fn capitalize(str_: &str) -> String

| Capitalizes the first character of | the given string. | | This function is locale independent. | It only converts lowercase characters | in the standard 7-bit ASCII range. | | This is a feature, not a limitation. | | ———– | @param[in] str | | the string to capitalize. | | ———– | @return | | string with the first letter capitalized. |