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This commit is contained in:
Andrei Alexandrescu 2020-09-16 22:54:29 -04:00
parent 369ed6edb6
commit e048dbeb18
1 changed files with 10 additions and 13 deletions
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23
std/algorithm/comparison.d
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@ -254,7 +254,6 @@ auto castSwitch(choices...)(Object switchObject)
if (switchObject !is null)
{
// Checking for exact matches:
const classInfo = typeid(switchObject);
foreach (index, choice; choices)
@ -517,7 +516,7 @@ auto castSwitch(choices...)(Object switchObject)
/** Clamps a value into the given bounds.
This functions is equivalent to `max(lower, min(upper,val))`.
This function is equivalent to `max(lower, min(upper, val))`.
Params:
val = The value to _clamp.
@ -657,8 +656,7 @@ if (isInputRange!R1 && isInputRange!R2)
else
{
auto a = r1.front, b = r2.front;
if (a < b) return -1;
if (b < a) return 1;
if (auto result = (b < a) - (a < b)) return result;
}
}
}
@ -891,8 +889,6 @@ Compares two ranges for equality, as defined by predicate `pred`
*/
template equal(alias pred = "a == b")
{
enum hasFixedLength(T) = hasLength!T || isNarrowString!T;
// use code points when comparing two ranges of UTF code units that aren't
// the same type. This is for backwards compatibility with autodecode
// strings.
@ -921,11 +917,17 @@ template equal(alias pred = "a == b")
for element, according to binary predicate `pred`.
+/
bool equal(Range1, Range2)(Range1 r1, Range2 r2)
if (isInputRange!Range1 && isInputRange!Range2 &&
if (useCodePoint!(Range1, Range2) ||
isInputRange!Range1 && isInputRange!Range2 &&
!(isInfinite!Range1 && isInfinite!Range2) &&
is(typeof(binaryFun!pred(r1.front, r2.front))))
{
static if (!useCodePoint!(Range1, Range2))
static if (useCodePoint!(Range1, Range2))
{
import std.utf : byDchar;
return equal(r1.byDchar, r2.byDchar);
}
else
{
// No pred calls necessary.
static if (isInfinite!Range1 || isInfinite!Range2)
@ -981,11 +983,6 @@ template equal(alias pred = "a == b")
return r2.empty;
}
}
else
{
import std.utf : byDchar;
return equal(r1.byDchar, r2.byDchar);
}
}
}