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ref/ref_vector minor convenience changes (#5322)

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* Add ref_vector_core::push_back(ref<T>&&)

* Make operator bool() explicit
This commit is contained in:
Jakob Rath 2021-05-31 19:27:46 +02:00 committed by GitHub
parent 50cf321171
commit 46f8b15c14
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 12 additions and 2 deletions
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2
src/muz/spacer/spacer_context.h
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@ -153,7 +153,7 @@ public:
expr_ref_vector const &get_cube();
void update_cube(pob_ref const &p, expr_ref_vector &cube);
bool has_pob() {return m_pob;}
bool has_pob() {return !!m_pob;}
pob_ref &get_pob() {return m_pob;}
unsigned weakness() {return m_weakness;}

6
src/util/ref.h
View file

@ -66,10 +66,14 @@ public:
return m_ptr;
}
operator bool() const {
explicit operator bool() const {
return m_ptr != nullptr;
}
bool operator!() const {
return m_ptr == nullptr;
}
const T & operator*() const {
return *m_ptr;
}

6
src/util/ref_vector.h
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@ -20,6 +20,7 @@ Revision History:
#include "util/vector.h"
#include "util/obj_ref.h"
#include "util/ref.h"
/**
\brief Vector of smart pointers.
@ -113,6 +114,11 @@ public:
return *this;
}
ref_vector_core& push_back(ref<T>&& n) {
m_nodes.push_back(n.detach());
return *this;
}
void pop_back() {
SASSERT(!m_nodes.empty());
T * n = m_nodes.back();