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Use Phobos version of staticIsSorted that uses alias assign #74

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Use Phobos version of staticIsSorted that uses alias assign #74

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16 changes: 13 additions & 3 deletions source/mir/algebraic.d
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Original file line number Diff line number Diff line change
Expand Up @@ -369,17 +369,27 @@ template TypeSet(T...)
// sort types by sizeof and them mangleof
// but typeof(null) goes first
static if (is(staticMap!(TryRemoveConst, T) == T))
{
static if (is(NoDuplicates!T == T))
{
static if (staticIsSorted!(TypeCmp, T))
{
{
alias TypeSet = T;
}
}
else
alias TypeSet = .TypeSet!(staticSort!(TypeCmp, T));
{
alias TypeSet = TypeSet!(staticSort!(TypeCmp, T));
}
}
else
{
alias TypeSet = TypeSet!(NoDuplicates!T);
}
}
else
{
alias TypeSet = TypeSet!(staticMap!(TryRemoveConst, T));
}
}

// IonNull goes first as well
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29 changes: 21 additions & 8 deletions source/mir/internal/meta.d
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Original file line number Diff line number Diff line change
Expand Up @@ -114,7 +114,7 @@ enum hasToHash(T) = __traits(hasMember, T, "toHash");
static if (__VERSION__ < 2094)
enum isCopyable(S) = is(typeof({ S foo = S.init; S copy = foo; }));
else
enum isCopyable(S) = __traits(isCopyable, S);
enum isCopyable(S) = __traits(isCopyable, S);
enum isPOD(T) = __traits(isPOD, T);
enum Sizeof(T) = T.sizeof;

Expand All @@ -136,18 +136,31 @@ enum hasSemiMutableConstruction(T) = __traits(compiles, {static struct S { T a;
static assert(hasInoutConstruction!S);
}

template staticIsSorted(alias cmp, Seq...)
static if (__VERSION__ >= 2098) {
enum staticIsSorted(alias cmp, items...) =
{
static if (items.length > 1)
static foreach (i, item; items[1 .. $])
static if (cmp!(items[i], item))
if (__ctfe) return false;
return true;
}();
}
else
{
static if (Seq.length <= 1)
enum staticIsSorted = true;
else static if (Seq.length == 2)
enum staticIsSorted = cmp!(Seq[0], Seq[1]);
else
template staticIsSorted(alias cmp, Seq...)
{
enum staticIsSorted =
static if (Seq.length <= 1)
enum staticIsSorted = true;
else static if (Seq.length == 2)
enum staticIsSorted = cmp!(Seq[0], Seq[1]);
else
{
enum staticIsSorted =
cmp!(Seq[($ / 2) - 1], Seq[$ / 2]) &&
staticIsSorted!(cmp, Seq[0 .. $ / 2]) &&
staticIsSorted!(cmp, Seq[$ / 2 .. $]);
}
}
}

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