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copy should be @safe

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This commit is contained in:
Brad Roberts 2014-10-12 18:34:54 -07:00
parent e3a6792077
commit 426bc40535
1 changed files with 8 additions and 7 deletions
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15
std/algorithm.d
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@ -8634,8 +8634,9 @@ if (isInputRange!Range1 && isOutputRange!(Range2, ElementType!Range1))
static if (isArray!Range1 && isArray!Range2 && static if (isArray!Range1 && isArray!Range2 &&
is(Unqual!(typeof(source[0])) == Unqual!(typeof(target[0])))) is(Unqual!(typeof(source[0])) == Unqual!(typeof(target[0]))))
{ {
immutable overlaps = source.ptr < target.ptr + target.length && immutable overlaps = () @trusted {
target.ptr < source.ptr + source.length; return source.ptr < target.ptr + target.length &&
target.ptr < source.ptr + source.length; }();
if (overlaps) if (overlaps)
{ {
@ -8660,7 +8661,7 @@ if (isInputRange!Range1 && isOutputRange!(Range2, ElementType!Range1))
} }
/// ///
unittest @safe unittest
{ {
int[] a = [ 1, 5 ]; int[] a = [ 1, 5 ];
int[] b = [ 9, 8 ]; int[] b = [ 9, 8 ];
@ -8674,7 +8675,7 @@ unittest
As long as the target range elements support assignment from source As long as the target range elements support assignment from source
range elements, different types of ranges are accepted. range elements, different types of ranges are accepted.
*/ */
unittest @safe unittest
{ {
float[] a = [ 1.0f, 5 ]; float[] a = [ 1.0f, 5 ];
double[] b = new double[a.length]; double[] b = new double[a.length];
@ -8687,7 +8688,7 @@ may want to use $(D copy(take(a, n), b)). To copy those elements from
range $(D a) that satisfy predicate $(D pred) to range $(D b), you may range $(D a) that satisfy predicate $(D pred) to range $(D b), you may
want to use $(D copy(a.filter!(pred), b)). want to use $(D copy(a.filter!(pred), b)).
*/ */
unittest @safe unittest
{ {
int[] a = [ 1, 5, 8, 9, 10, 1, 2, 0 ]; int[] a = [ 1, 5, 8, 9, 10, 1, 2, 0 ];
auto b = new int[a.length]; auto b = new int[a.length];
@ -8699,7 +8700,7 @@ unittest
$(XREF range, retro) can be used to achieve behavior similar to $(XREF range, retro) can be used to achieve behavior similar to
$(WEB sgi.com/tech/stl/copy_backward.html, STL's copy_backward'). $(WEB sgi.com/tech/stl/copy_backward.html, STL's copy_backward').
*/ */
unittest @safe unittest
{ {
import std.algorithm, std.range; import std.algorithm, std.range;
int[] src = [1, 2, 4]; int[] src = [1, 2, 4];
@ -8708,7 +8709,7 @@ unittest
assert(dst == [0, 0, 1, 2, 4]); assert(dst == [0, 0, 1, 2, 4]);
} }
unittest @safe unittest
{ {
debug(std_algorithm) scope(success) debug(std_algorithm) scope(success)
writeln("unittest @", __FILE__, ":", __LINE__, " done."); writeln("unittest @", __FILE__, ":", __LINE__, " done.");