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Document new return value of BlockFlow::assign_block_size_block_base

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Simon Sapin 2016-01-14 00:29:55 +01:00
parent f766e94259
commit 47d918ca35
1 changed files with 8 additions and 0 deletions
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8
components/layout/block.rs
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@ -751,6 +751,14 @@ impl BlockFlow {
/// For absolute flows, we store the calculated content block-size for the flow. We defer the /// For absolute flows, we store the calculated content block-size for the flow. We defer the
/// calculation of the other values until a later traversal. /// calculation of the other values until a later traversal.
/// ///
/// When `fragmentation_context` is given (not `None`), this should fit as much of the content
/// as possible within the available block size.
/// If there is more content (that doesn’t fit), this flow is *fragmented*
/// with the extra content moved to another fragment (a flow like this one) which is returrned.
/// See `Flow::fragment`.
///
/// The return value is always `None` when `fragmentation_context` is `None`.
///
/// `inline(always)` because this is only ever called by in-order or non-in-order top-level /// `inline(always)` because this is only ever called by in-order or non-in-order top-level
/// methods. /// methods.
#[inline(always)] #[inline(always)]