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simplify PointerRange

master
Daniel Kolesa 2015-05-29 00:01:24 +01:00
parent c1be7f097d
commit f96764fad0
1 changed files with 7 additions and 7 deletions
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14
octa/range.h
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@ -422,11 +422,11 @@ namespace octa {
}
/* satisfy InputRange / ForwardRange */
bool empty() const { return p_beg == nullptr; }
bool empty() const { return p_beg == p_end; }
void pop_first() {
if (p_beg == nullptr) return;
if (++p_beg == p_end) p_beg = p_end = nullptr;
if (p_beg == p_end) return;
++p_beg;
}
size_t pop_first_n(size_t n) {
@ -434,7 +434,7 @@ namespace octa {
size_t olen = p_end - p_beg;
p_beg += n;
if (p_beg >= p_end) {
p_beg = p_end = nullptr;
p_beg = p_end;
return olen;
}
return p_beg - obeg;
@ -445,8 +445,8 @@ namespace octa {
/* satisfy BidirectionalRange */
void pop_last() {
if (p_end-- == p_beg) { p_end = nullptr; return; }
if (p_end == p_beg) p_beg = p_end = nullptr;
if (p_end == p_beg) return;
--p_end;
}
size_t pop_last_n(size_t n) {
@ -454,7 +454,7 @@ namespace octa {
size_t olen = p_end - p_beg;
p_end -= n;
if (p_end <= (p_beg + 1)) {
p_beg = p_end = nullptr;
p_end = p_beg;
return olen;
}
return oend - p_end;