Sort an outline at every level: Difference between revisions
→{{header|Haskell}}: Followed the lead of Wren – labelled each output section.
m (added some related tasks) |
(→{{header|Haskell}}: Followed the lead of Wren – labelled each output section.) |
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Line 141:
foldTree (\x xs -> Node x (L.sortBy cmp xs)) (Node "" forest)
in Right $ outlineFromForest (<>) indentUnit sortedForest
--------------------------- TESTS --------------------------
main :: IO ()
main =
mapM_
concat $
[ \(comparatorLabel, cmp) ->
let section = headedSection (fst kv) comparatorLabel
in (either (section . (" -> " <>)) section . sortedOutline cmp . snd)
kv) <$>
[ ("Four-spaced", spacedOutline)
, ("Tabbed", tabbedOutline)
, ("First unknown type", confusedOutline)
, ("Second unknown type", raggedOutline)
]
] <*>
[("(A -> Z)", comparing rootLabel), ("(Z -> A)", flip (comparing rootLabel))]▼
▲ [comparing rootLabel, flip (comparing rootLabel)]
headedSection :: T.Text -> T.Text -> T.Text -> T.Text
headedSection outlineType comparatorName x =
T.concat ["\n", outlineType, " ", comparatorName, ":\n\n", x]
spacedOutline, tabbedOutline, confusedOutline, raggedOutline :: T.Text
Line 262 ⟶ 271:
[ s
| x <- textLines
, s <- [T.takeWhile isSpace x]
, 0 /= T.length s ]
</lang>
{{Out}}
<pre>Four-spaced (A -> Z):
<pre>alpha▼
epsilon
iota
Line 277 ⟶ 289:
mu
Tabbed (A -> Z):
alpha
Line 291 ⟶ 305:
First unknown type (A -> Z):
Mixed indent characters used: "\t "▼
▲ -> Mixed indent characters used: "\t "
Second unknown type (A -> Z):
-> Inconsistent indent depths: [4,3,8,9,8,4,4,4,4]▼
Four-spaced (Z -> A):
▲Inconsistent indent depths: [4,3,8,9,8,4,4,4,4]
zeta
Line 307 ⟶ 327:
epsilon
Tabbed (Z -> A):
zeta
Line 321 ⟶ 343:
First unknown type (Z -> A):
Mixed indent characters used: "\t "▼
▲ -> Mixed indent characters used: "\t "
Second unknown type (Z -> A):
-> Inconsistent indent depths: [4,3,8,9,8,4,4,4,4]</pre>
=={{header|Wren}}==
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