Returns true if there are no enabled callbacks.

Synopsis

Declared in <util/btcsignals.h>

[[nodiscard, requires_capability(0x7fbc9d8453a8), requires_capability(0x7fbc9403ad38), requires_capability(0x7fbca7ecede8), requires_capability(0x7fbc94351fc8), requires_capability(0x7fbc86141e18), requires_capability(0x7fbca297b7a8), requires_capability(0x7fbc84e311a8), requires_capability(0x7fbc8f43fd28)]]
bool
empty() const;

Return Value

true if no connected callback is currently enabled.

Note

The return value should not be discarded.

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