(string1: Str, string2: Str)
| 194 | } |
| 195 | |
| 196 | static stringAdd (string1: Str, string2: Str) { |
| 197 | if ((string1 === undefined) || (string2 === undefined)) { |
| 198 | return undefined; |
| 199 | } |
| 200 | return (new Precise (string1)).add (new Precise (string2)).toString (); |
| 201 | } |
| 202 | |
| 203 | static stringSub (string1: Str, string2: Str) { |
| 204 | if ((string1 === undefined) || (string2 === undefined)) { |
no test coverage detected