Module folding

Logical-line fold regions and discovery. Logical-line fold regions, discovery, and collapsed-state transfer.

Structs

FoldRegion

Collapsible range of zero-based logical lines.

FoldRegionId

Packed identity for a fold region’s line range.

Functions

collapsed_region_hiding_line

Returns the first collapsed region that hides line.

fold_region_at_line

Returns the index of the first non-empty region starting on line.

fold_regions_for_document

Discovers multi-line foldable constructs for a document.

line_for_byte

Counts newline bytes before a UTF-8 byte offset.

line_start_byte

Returns the UTF-8 byte offset at which a zero-based logical line starts.

merge_fold_regions_with_previous

Transfers collapsed state from matching previous region identifiers.