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Deprecated putting an input into an output range

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Use copy instead.
This commit is contained in:
Eugen Wissner
2018-08-10 15:34:07 +02:00
parent 2862cc6f50
commit 918d8f5450
1 changed files with 18 additions and 1 deletions
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19
source/tanya/range/primitive.d
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@@ -851,6 +851,8 @@ void put(R, E)(ref R range, auto ref E e)
} }
else static if (isInputRange!E) else static if (isInputRange!E)
{ {
pragma(msg, "Putting an input range into an output range is "
~ "deprecated. Use tanya.algorithm.mutation.copy instead");
for (; !e.empty; e.popFront()) for (; !e.empty; e.popFront())
{ {
put(range, e.front); put(range, e.front);
@@ -963,7 +965,22 @@ void put(R, E)(ref R range, auto ref E e)
* Returns: $(D_KEYWORD true) if $(D_PARAM R) is an output range for the * Returns: $(D_KEYWORD true) if $(D_PARAM R) is an output range for the
* elements of the type $(D_PARAM E), $(D_KEYWORD false) otherwise. * elements of the type $(D_PARAM E), $(D_KEYWORD false) otherwise.
*/ */
enum bool isOutputRange(R, E) = is(typeof((ref R r, ref E e) => put(r, e))); template isOutputRange(R, E)
{
static if (is(typeof((R r, E e) => put(r, e))))
{
enum bool isOutputRange = true;
}
else static if (isInputRange!E)
{
alias ET = ElementType!E;
enum bool isOutputRange = is(typeof((R r, ET e) => put(r, e)));
}
else
{
enum bool isOutputRange = false;
}
}
/// ///
@nogc nothrow pure @safe unittest @nogc nothrow pure @safe unittest