antd-theme-generator/node_modules/less/test/less-bom/errors/mixed-mixin-definition-args-2.less

This a script to generate color specific styles less file and which you can use to change theme dynamically in browser

.mixin(@a : 4, @b : 3, @c: 2) {
    will: fail;
}
.mixin-test {
    .mixin(@a: 5, @b: 6; @c: 7);
}