cassandra_cpp_sys

Type Alias CassFreeFunction

Source 
pub type CassFreeFunction = Option<unsafe extern "C" fn(ptr: *mut c_void)>;
Expand description

A custom free function. This function deallocates the memory pointed to by “ptr” that was previously allocated by a “CassMallocFunction” or “CassReallocFunction” function.

@param[in] ptr A pointer to memory that should be deallocated. If NULL then this will perform no operation.

@see CassMallocFunction @see CassReallocFunction @see cass_alloc_set_functions()

Aliased Type§

pub enum CassFreeFunction {
    None,
    Some(unsafe extern "C" fn(*mut c_void)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(*mut c_void))

Some value of type T.