public async Tasks.Task <bool> Close()
{
bool result;
if (result = this.backend.NotNull() && await this.Flush() && await this.backend.Close())
{
this.backend = null;
}
return(result);
}
protected TextWriter(ICharacterOutDevice backend)
{
this.backend = backend;
}
public static ITextWriter Open(ICharacterOutDevice backend)
{
return(backend.NotNull() ? new TextWriter(backend) : null);
}
