[WORK] std.file.update function

[rikki cattermole via Digitalmars-d]

On 19/09/2016 3:20 AM, Andrei Alexandrescu wrote:
> On 09/18/2016 11:17 AM, Andrei Alexandrescu wrote:
>> Simplest case is - source file is being changed, therefore a new object
>> file is being produced, therefore a new executable is being produced.
>
> Forgot to mention a situation here: if you change the source code of a
> module without influencing the object file (e.g. documentation, certain
> style changes, unittests in non-unittest builds etc) there'd be no
> linking upon rebuilding. -- Andrei

How does this compare against doing a checksum comparison on the file?