createTempFile function
Generates a temporary filename in the system temp directory that is guaranteed to be unique.
This method does not create the file.
The temp file name will be uuid.tmp
unless you provide a suffix
in which
case the file name will be uuid.suffix
Implementation
String createTempFile({String? suffix}) =>
// ignore: discarded_futures
waitForEx(core.createTempFile(suffix: suffix));