It is kind of superfluous. It is just a more formal way to indicate that you are specifying the file name. I included it here in case someone took the example and made an alias out of it.
Imagine you had a file called master and you wanted to check that file out, git checkout master would probably do something different than you wanted, but git checkout -- master would check that file out from the current branch.
It signifies the end of command options. It is useful with transferring control to sub commands. In D you can provide compiler options then pass arguments to the compiled program.
Dmd run foo.d -- --verbose
D will compile foo then call
foo --verbose
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What is the purpose of -- in the first command? Seems an unnecessary argument.
It is kind of superfluous. It is just a more formal way to indicate that you are specifying the file name. I included it here in case someone took the example and made an alias out of it.
Imagine you had a file called
masterand you wanted to check that file out,git checkout masterwould probably do something different than you wanted, butgit checkout -- masterwould check that file out from the current branch.It signifies the end of command options. It is useful with transferring control to sub commands. In D you can provide compiler options then pass arguments to the compiled program.
D will compile foo then call