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Merge pull request #6800 from TurkeyMan/isInnerClass

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Simplify isInnerClass
merged-on-behalf-of: Sebastian Wilzbach <sebi.wilzbach@gmail.com>
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The Dlang Bot 2018-12-18 17:18:01 +01:00 • committed by GitHub
commit c20df1e0e2
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1 changed files with 13 additions and 4 deletions
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17
std/traits.d
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@ -2525,11 +2525,20 @@ Returns:
template isInnerClass(T)
if (is(T == class))
{
import std.meta : staticIndexOf;
static if (is(typeof(T.outer)))
enum isInnerClass = __traits(isSame, typeof(T.outer), __traits(parent, T))
&& (staticIndexOf!(__traits(allMembers, T), "outer") == -1);
{
bool hasOuterMember(string[] members...)
{
foreach (m; members)
{
if (m == "outer")
return true;
}
return false;
}
enum isInnerClass = __traits(isSame, typeof(T.outer), __traits(parent, T)) &&
!hasOuterMember(__traits(allMembers, T));
}
else
enum isInnerClass = false;
}