renderLineDiffPlain : LineDiff -> String Render a single LineDiff as plain text with a two-character prefix.
Visibility: exportstructuralDiff : String -> String -> Maybe (List LineDiff) Compute a structural diff between two Show-output strings. Returns Nothing
if either value can't be parsed or if they are structurally identical.
Visibility: exportfailureDiff : FailureInfo -> Maybe (String, List LineDiff) Try to extract a structural diff from a FailureInfo. Returns the reason and
diff lines for ExpectedButGot failures that can be structurally parsed,
Nothing otherwise.
Visibility: export