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operator bool on coroutine should be inverse

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This commit is contained in:
q66 2017-03-06 02:09:52 +01:00
parent a4e17e22c7
commit 9a194343f3
1 changed files with 3 additions and 3 deletions
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6
ostd/coroutine.hh
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@ -342,7 +342,7 @@ struct coroutine<R(A...)>: detail::coro_base<R, A...> {
} }
operator bool() const { operator bool() const {
return this->p_ctx.is_done(); return !this->p_ctx.is_done();
} }
R operator()(A ...args) { R operator()(A ...args) {
@ -371,7 +371,7 @@ struct generator: input_range<generator<T>> {
generator(F &&func, size_t ss = COROUTINE_DEFAULT_STACK_SIZE): generator(F &&func, size_t ss = COROUTINE_DEFAULT_STACK_SIZE):
p_ptr(new coroutine<T()>{std::forward<F>(func), ss}) p_ptr(new coroutine<T()>{std::forward<F>(func), ss})
{ {
p_item = (*p_ptr)(); pop_front();
} }
bool empty() const { bool empty() const {
@ -379,7 +379,7 @@ struct generator: input_range<generator<T>> {
} }
void pop_front() { void pop_front() {
if (!*p_ptr) { if (*p_ptr) {
p_item = (*p_ptr)(); p_item = (*p_ptr)();
} else { } else {
p_item = std::nullopt; p_item = std::nullopt;