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Simplify isInnerClass

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This commit is contained in:
Manu Evans 2018-12-10 00:58:42 -08:00
parent 19f72cfe7f
commit 19e8ff244d
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) template isInnerClass(T)
if (is(T == class)) if (is(T == class))
{ {
import std.meta : staticIndexOf;
static if (is(typeof(T.outer))) 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 else
enum isInnerClass = false; enum isInnerClass = false;
} }