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make any/all predicate-able

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monarchdodra 2013-10-31 19:21:52 +01:00
parent a84a69dc8c
commit 7db66a32eb
1 changed files with 14 additions and 6 deletions
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20
std/algorithm.d
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@ -10658,10 +10658,14 @@ Returns $(D true) if and only if a value $(D v) satisfying the
predicate $(D pred) can be found in the forward range $(D
range). Performs $(BIGOH r.length) evaluations of $(D pred).
*/
bool any(alias pred, Range)(Range range)
if (is(typeof(find!pred(range))))
template any(alias pred)
{
return !find!pred(range).empty;
/// ditto
bool any(Range)(Range range)
if (is(typeof(find!pred(range))))
{
return !find!pred(range).empty;
}
}
unittest
@ -10676,10 +10680,14 @@ unittest
Returns $(D true) if and only if all values in $(D range) satisfy the
predicate $(D pred). Performs $(BIGOH r.length) evaluations of $(D pred).
*/
bool all(alias pred, R)(R range)
if (isInputRange!R && is(typeof(unaryFun!pred(range.front))))
template all(alias pred)
{
return find!(not!(unaryFun!pred))(range).empty;
/// ditto
bool all(R)(R range)
if (isInputRange!R && is(typeof(unaryFun!pred(range.front))))
{
return find!(not!(unaryFun!pred))(range).empty;
}
}
///