Determines if the given template argument is a closable stream type, which defines a Optional!StreamError closeStream() method as a means to close and/or deallocate the underlying resource that the stream reads from or writes to.
true if the given argument is a closable stream.
See Implementation
Determines if the given template argument is a closable stream type, which defines a Optional!StreamError closeStream() method as a means to close and/or deallocate the underlying resource that the stream reads from or writes to.