Returns true if there are no enabled callbacks.

Synopsis

Declared in <util/btcsignals.h>

[[nodiscard, requires_capability(0x7fd7482bc468), requires_capability(0x7fd74caa01b8), requires_capability(0x7fd75ace3388), requires_capability(0x7fd7683a9e58), requires_capability(0x7fd75fe25298), requires_capability(0x7fd756082538), requires_capability(0x7fd75dda5e38), requires_capability(0x7fd74f7048a8)]]
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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