[Issue 4841] -inline wrecks delegate literals as alias parameters (An array()/map inlining problem)

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=4841


David Simcha  changed:

   What|Removed |Added

 CC||dsim...@yahoo.com


--- Comment #3 from David Simcha  2012-01-24 13:41:43 PST ---
*** Issue 4724 has been marked as a duplicate of this issue. ***

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[Issue 4841] -inline wrecks delegate literals as alias parameters (An array()/map inlining problem)

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=4841


Trass3r  changed:

   What|Removed |Added

 CC||mrmoc...@gmx.de


--- Comment #2 from Trass3r  2012-01-16 12:41:31 PST ---
I think the following test case also belongs to this issue:

R1 find(alias pred = "a == b", R1, R2)(R1 haystack, R2 needle)
{
return simpleMindedFind!pred(haystack, needle);
}
R1 simpleMindedFind(alias pred, R1, R2)(R1 haystack, R2 needle)
{
bool haystackTooShort()
{
return true;
}

return haystack;
}

sizediff_t indexOf(Char1, Char2)(const(Char1)[] s, const(Char2)sub)
{
const(Char1)[] balance = find!({})(s, sub);
return -1;
}

string extStr;
void main()
{
extStr.indexOf("bla");
}

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[Issue 4841] -inline wrecks delegate literals as alias parameters (An array()/map inlining problem)

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http://d.puremagic.com/issues/show_bug.cgi?id=4841


Don  changed:

   What|Removed |Added

 CC||clugd...@yahoo.com.au
Summary|An array()/map inlining |-inline wrecks delegate
   |problem |literals as alias
   ||parameters (An array()/map
   ||inlining problem)


--- Comment #1 from Don  2010-09-10 00:02:24 PDT ---
Original title: "An array()/map inlining problem"
Here's a simpler case that gives the same error message, only with -inline:

---
struct Struct4841(alias pred)
{
this(int k) { }
}

void bug4841a() {
  Struct4841!(   (t) { any_old_garbage;} )(  1 );   
}

void bug4841b() {
   bug4841a();
}
---
This is a problem with delegates and alias templates. It's not a regression.
There also seems to be an accepts-invalid bug in this. You can put any old
garbage inside the alias, which seems odd. And you cannot declare a variable of
type Struct4841!(   (t) { any_old_garbage;} ) --- it's rejected at the parsing
stage.

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