/blogen/scss/bootstrap/utilities/_float.scss

1@each $breakpoint in map-keys($grid-breakpoints) {
2  @include media-breakpoint-up($breakpoint) {
3    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
4
5    .float#{$infix}-left  { @include float-left; }
6    .float#{$infix}-right { @include float-right; }
7    .float#{$infix}-none  { @include float-none; }
8  }
9}