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30 lines
849 B
Plaintext
30 lines
849 B
Plaintext
---
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title: "@for"
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---
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The `@for` rule, written
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`@for <variable> from <expression> to <expression> { ... }` or
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`@for <variable> from <expression> through <expression> { ... }`, counts up or
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down from one number (the result of the first [expression][]) to another (the
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result of the second) and evaluates a block for each number in between. Each
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number along the way is assigned to the given variable name. If `to` is used,
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the final number is excluded; if `through` is used, it's included.
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[expression]: ../syntax/structure#expressions
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<% example do %>
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$base-color: #036;
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@for $i from 1 through 3 {
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ul:nth-child(3n + #{$i}) {
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background-color: lighten($base-color, $i * 5%);
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}
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}
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===
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$base-color: #036
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@for $i from 1 through 3
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ul:nth-child(3n + #{$i})
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background-color: lighten($base-color, $i * 5%)
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<% end %>
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