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Added documentation

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dukc 2017-08-03 01:39:06 +03:00
parent 80d1e84453
commit aec59d65e9
1 changed files with 8 additions and 0 deletions
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8
std/range/package.d
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@ -5264,6 +5264,11 @@ auto sequence(alias fun, State...)(State args)
user-defined types that support $(D ++), the range is an input user-defined types that support $(D ++), the range is an input
range. range.
An integral iota also supports $(D in) operator from the right. It takes
the stepping into account, the integral won't be considered
contained if it falls between two consecutive values of the range.
$(D contains) does the same as in, but from lefthand side.
Example: Example:
--- ---
void main() void main()
@ -5375,6 +5380,7 @@ if ((isIntegral!(CommonType!(B, E)) || isPointer!(CommonType!(B, E)))
auto supposedIndex = cast(StepType)(val - current) / step; auto supposedIndex = cast(StepType)(val - current) / step;
return supposedIndex < length && supposedIndex * step + current == val; return supposedIndex < length && supposedIndex * step + current == val;
} }
auto contains(Value x){return x in this;}
inout(Result) opSlice() inout { return this; } inout(Result) opSlice() inout { return this; }
inout(Result) opSlice(ulong lower, ulong upper) inout inout(Result) opSlice(ulong lower, ulong upper) inout
{ {
@ -5457,6 +5463,7 @@ if (isIntegral!(CommonType!(B, E)) || isPointer!(CommonType!(B, E)))
{ {
return current <= val && val < pastLast; return current <= val && val < pastLast;
} }
auto contains(Value x){return x in this;}
inout(Result) opSlice() inout { return this; } inout(Result) opSlice() inout { return this; }
inout(Result) opSlice(ulong lower, ulong upper) inout inout(Result) opSlice(ulong lower, ulong upper) inout
{ {
@ -5581,6 +5588,7 @@ body
assert(equal(r, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])); assert(equal(r, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]));
assert(equal(r, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])); assert(equal(r, [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]));
assert(3 in r); assert(3 in r);
assert(r.contains(3)); //Same as above
assert(!(10 in r)); assert(!(10 in r));
assert(!(-8 in r)); assert(!(-8 in r));
r = iota(0, 11, 3); r = iota(0, 11, 3);