A block and its parameter value with one pointer

blk+param.m

const float (^(^blk)(float))(void) = ^ (float f) {
        return ^ (float f) {
            return ^ float {
                return f;
            };
        }(f);
    };
    const float(^blk_param)(void) = blk(1.0);
    printf("blk_param() == %f\n", blk_param());
    
    const void * (^ const __strong blk_param_t)(typeof(const float (^)(void))) = ^ (typeof(const float (^)(void)) blk_param) {
        return Block_copy((const void *)CFBridgingRetain(blk_param));
    };
    const void * blk_ptr = blk_param_t(blk_param);
    
    const float (^(^ const __strong blk_param_)(const void *))(void) = ^ (const void * blk_param_t) {
        return (typeof(const float (^)(void)))CFBridgingRelease(blk_param_t);
    };
    printf("blk_param_() == %f\n", (blk_param_(blk_ptr))());