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wpiutil: Signal: make operator() const (#1721)

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This enables const-ness in uv::Handle ReportError() and Invoke() as well.
This commit is contained in:
Peter Johnson
2019-06-20 17:51:32 -07:00
committed by GitHub
parent b630b63ef0
commit 61426d08de
2 changed files with 5 additions and 5 deletions
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6
wpiutil/src/main/native/include/wpi/Signal.h
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@@ -1,5 +1,5 @@
/*----------------------------------------------------------------------------*/
/* Copyright (c) 2018 FIRST. All Rights Reserved. */
/* Copyright (c) 2018-2019 FIRST. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
@@ -570,7 +570,7 @@ public:
* @param a... arguments to emit
*/
template <typename... A>
void operator()(A && ... a) {
void operator()(A && ... a) const {
lock_type lock(m_mutex);
if (!m_block && m_func) m_func(std::forward<A>(a)...);
}
@@ -799,7 +799,7 @@ private:
private:
std::function<void(T...)> m_func;
Lockable m_mutex;
mutable Lockable m_mutex;
std::atomic<bool> m_block;
};