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Fixed: std.algorithm.findAdjacent() returns non-empty range if no matching pair is found.

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Shin Fujishiro 2010-09-08 21:48:06 +00:00
parent 8a50942419
commit ac2b71d2e1
1 changed files with 12 additions and 2 deletions
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14
std/algorithm.d
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@ -3327,10 +3327,10 @@ Range findAdjacent(alias pred = "a == b", Range)(Range r)
{
for (ahead.popFront; !ahead.empty; r.popFront, ahead.popFront)
{
if (binaryFun!(pred)(r.front, ahead.front)) break;
if (binaryFun!(pred)(r.front, ahead.front)) return r;
}
}
return r;
return ahead;
}
unittest
@ -3341,6 +3341,16 @@ unittest
assert(p == [10, 10, 9, 8, 8, 7, 8, 9 ]);
p = findAdjacent!("a < b")(a);
assert(p == [7, 8, 9]);
// empty
a = [];
p = findAdjacent(a);
assert(p.empty);
// not found
a = [ 1, 2, 3, 4, 5 ];
p = findAdjacent(a);
assert(p.empty);
p = findAdjacent!"a > b"(a);
assert(p.empty);
}
// findAmong