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src: Use len instead of n for clarity

This commit is contained in:
Tatsuhiro Tsujikawa 2016-03-27 15:52:24 +09:00
parent 8a539420c2
commit d9a2ff278c
1 changed files with 9 additions and 9 deletions
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18
src/template.h
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@ -99,14 +99,14 @@ template <typename T, typename F> bool test_flags(T t, F flags) {
// T *dlnext, which point to previous element and next element in the // T *dlnext, which point to previous element and next element in the
// list respectively. // list respectively.
template <typename T> struct DList { template <typename T> struct DList {
DList() : head(nullptr), tail(nullptr), n(0) {} DList() : head(nullptr), tail(nullptr), len(0) {}
DList(const DList &) = delete; DList(const DList &) = delete;
DList &operator=(const DList &) = delete; DList &operator=(const DList &) = delete;
DList(DList &&other) : head(other.head), tail(other.tail), n(other.n) { DList(DList &&other) : head(other.head), tail(other.tail), len(other.len) {
other.head = other.tail = nullptr; other.head = other.tail = nullptr;
other.n = 0; other.len = 0;
} }
DList &operator=(DList &&other) { DList &operator=(DList &&other) {
@ -115,16 +115,16 @@ template <typename T> struct DList {
} }
head = other.head; head = other.head;
tail = other.tail; tail = other.tail;
n = other.n; len = other.len;
other.head = other.tail = nullptr; other.head = other.tail = nullptr;
other.n = 0; other.len = 0;
return *this; return *this;
} }
void append(T *t) { void append(T *t) {
++n; ++len;
if (tail) { if (tail) {
tail->dlnext = t; tail->dlnext = t;
t->dlprev = tail; t->dlprev = tail;
@ -135,7 +135,7 @@ template <typename T> struct DList {
} }
void remove(T *t) { void remove(T *t) {
--n; --len;
auto p = t->dlprev; auto p = t->dlprev;
auto n = t->dlnext; auto n = t->dlnext;
if (p) { if (p) {
@ -155,10 +155,10 @@ template <typename T> struct DList {
bool empty() const { return head == nullptr; } bool empty() const { return head == nullptr; }
size_t size() const { return n; } size_t size() const { return len; }
T *head, *tail; T *head, *tail;
size_t n; size_t len;
}; };
template <typename T> void dlist_delete_all(DList<T> &dl) { template <typename T> void dlist_delete_all(DList<T> &dl) {