take: Remove moveFront, moveBack, moveAt

This commit is contained in:
Eugen Wissner 2018-04-04 08:06:52 +02:00
parent cd9960db2a
commit 37b0afe290

View File

@ -20,9 +20,6 @@ import tanya.math;
public import tanya.range.array;
public import tanya.range.primitive;
/**
*
*/
struct Take(R)
if (isInputRange!R)
{
@ -82,18 +79,6 @@ if (isInputRange!R)
return this.length_;
}
static if (hasMobileElements!R)
{
auto moveFront()
in
{
assert(!empty);
}
do
{
return this.source.moveFront();
}
}
static if (hasAssignableElements!R)
{
@property void front(ref ElementType!R value)
@ -156,28 +141,6 @@ if (isInputRange!R)
return this.source[i];
}
static if (hasMobileElements!R)
{
auto moveBack()
in
{
assert(!empty);
}
do
{
return this.source.moveAt(length - 1);
}
auto moveAt(size_t i)
in
{
assert(i < length);
}
do
{
return this.source.moveAt(i);
}
}
static if (hasAssignableElements!R)
{
@property void back(ref ElementType!R value)
@ -237,7 +200,15 @@ if (isInputRange!R)
}
/**
* ditto
* Takes $(D_PARAM n) elements from $(D_PARAM range).
*
* Params:
* R = Type of the original range.
* range = The range to take elements from.
* n = The number of elements to take.
*
* Returns: A range containing maximum $(D_PARAM n) first elements of
* $(D_PARAM range).
*/
Take!R take(R)(R range, size_t n)
if (isInputRange!R)
@ -268,7 +239,7 @@ if (isInputRange!R)
{
++this.front_;
}
size_t opIndex(size_t i) @nogc nothrow pure @safe
{
return this.front_ + i;