http://d.puremagic.com/issues/show_bug.cgi?id=11277
Summary: Bad default main.d (bad hello world example)
Product: D
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: minor
Priority: P2
Component: VisualD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Jakob Ovrum <[email protected]> 2013-10-15 17:25:13 PDT
---
There are a number of small issues with the default-provided main.d file that
have been bugging me for a while:
* The module with `main` contains an explicit module statement, for which I
can think of no justification
* The main function uses an `int` return type without actually needing it,
resulting in the boilerplate `return 0;` statement
* The main function receives the program argument list but doesn't use it.
Even if it did use it, it's named `argv` even though there is no `argc` in D;
`argv` is still potentially a decent name, but I think `args` is more common,
and has no implication of `argc`
I suggest changing it to one of either:
-----
void main()
{
import std.stdio : writeln;
writeln("hello, world");
}
-----
Or
-----
import std.stdio;
void main()
{
writeln("hello, world");
}
-----
The former is probably the most conducive to remaining correct after tweaking.
The latter is probably the most consistently used hello-world example for D2
(e.g. it's used on the front page of wiki.dlang.org).
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