SASS - 通过项目索引获取 map 项目值

Question

我希望能够通过该 map 项的索引选择 SASS map 项值。
简化场景:

社会保障局

// Colors map (MUST stay this way due to system dependence)
$colors: (
    a: red,
    b: green,
    c: blue
);

@for $i from 1 through 3{
    a:nth-child({$i}){ color:[GET COLOR BY $i FROM $COLORS]; }
}

那可能吗？

Answer 1

gist demo

$colors: (
    a: red,
    b: green,
    c: blue
);

@each $color, $name in $colors{
  $i: index($colors, $color $name);
  a:nth-child(#{$i}){ color:$color; }
}