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Tweak Cycle indexing

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This commit is contained in:
monarchdodra 2014-01-12 11:47:00 +01:00
parent 8b4e152a09
commit dde77ece73
1 changed files with 12 additions and 9 deletions
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21
std/range.d
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@ -4277,20 +4277,19 @@ struct Cycle(R)
this(R input, size_t index = 0)
{
_original = input;
_index = index;
_index = index % _original.length;
}
@property auto ref front()
{
return _original[_index % _original.length];
return _original[_index];
}
static if (is(typeof((cast(const R)_original)[0])) &&
is(typeof((cast(const R)_original).length)))
static if (is(typeof((cast(const R)_original)[_index])))
{
@property auto ref front() const
{
return _original[_index % _original.length];
return _original[_index];
}
}
@ -4298,7 +4297,7 @@ struct Cycle(R)
{
@property auto front(ElementType!R val)
{
_original[_index % _original.length] = val;
_original[_index] = val;
}
}
@ -4307,6 +4306,8 @@ struct Cycle(R)
void popFront()
{
++_index;
if (_index >= _original.length)
_index = 0;
}
auto ref opIndex(size_t n)
@ -4314,7 +4315,7 @@ struct Cycle(R)
return _original[(n + _index) % _original.length];
}
static if (is(typeof((cast(const R)_original)[0])) &&
static if (is(typeof((cast(const R)_original)[_index])) &&
is(typeof((cast(const R)_original).length)))
{
auto ref opIndex(size_t n) const
@ -4424,12 +4425,12 @@ nothrow:
this(ref R input, size_t index = 0)
{
_ptr = input.ptr;
_index = index;
_index = index % R.length;
}
@property ref inout(ElementType) front() inout
{
return _ptr[_index % R.length];
return _ptr[_index];
}
enum bool empty = false;
@ -4437,6 +4438,8 @@ nothrow:
void popFront()
{
++_index;
if (_index >= R.length)
_index = 0;
}
ref inout(ElementType) opIndex(size_t n) inout