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No need to test if range is empty in minPos

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This commit is contained in:
Andrei Alexandrescu 2016-01-11 13:05:35 -05:00
parent 19288618af
commit d95d96f05d
1 changed files with 1 additions and 2 deletions
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3
std/algorithm/searching.d
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@ -2903,8 +2903,6 @@ Range minPos(alias pred = "a < b", Range)(Range range)
if (isForwardRange!Range && !isInfinite!Range && if (isForwardRange!Range && !isInfinite!Range &&
is(typeof(binaryFun!pred(range.front, range.front)))) is(typeof(binaryFun!pred(range.front, range.front))))
{ {
if (range.empty) return range;
static if (hasSlicing!Range && isRandomAccessRange!Range && hasLength!Range) static if (hasSlicing!Range && isRandomAccessRange!Range && hasLength!Range)
{ {
// Prefer index-based access // Prefer index-based access
@ -2920,6 +2918,7 @@ Range minPos(alias pred = "a < b", Range)(Range range)
} }
else else
{ {
if (range.empty) return range;
auto result = range.save; auto result = range.save;
for (range.popFront(); !range.empty; range.popFront()) for (range.popFront(); !range.empty; range.popFront())
{ {