folly::operator!=

Tests whether a pointer is non‐empty.

Synopsis

Declared in <folly/memory/shared_from_this_ptr.h>

bool
operator!=(
    std::nullptr_t unused,
    holder const& holder) noexcept;

Note	This function is a hidden friend of shared_from_this_ptr, declared only inside that class: it can be found only through argument-dependent lookup.

true if holder is non‐empty, false otherwise.

Name

Description

unused

A null pointer constant.

holder

The pointer to test.

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