if (pressed) {
layer = layer_switch_get_layer(key);
for (uint8_t bit_number = 0; bit_number <= 4; bit_number++) {
- source_layers_cache[bit_number][storage_row] ^= (-(!!(layer & (1U << bit_number)) ^ source_layers_cache[bit_number][storage_row])) & (1U << storage_bit);
+ source_layers_cache[bit_number][storage_row] ^= (-(bool)((layer & (1U << bit_number)) != 0) ^ source_layers_cache[bit_number][storage_row])) & (1U << storage_bit);
}
} else {
layer = 0;