Safe Haskell | Safe-Inferred |
---|---|
Language | Haskell98 |
- reads_exact :: Read a => String -> Maybe a
- data Case_Rule
- is_ci :: Case_Rule -> Bool
- is_cs :: Case_Rule -> Bool
- string_eq :: Case_Rule -> String -> String -> Bool
- rlookup_str :: Case_Rule -> String -> [(a, String)] -> Maybe a
- parse_enum :: (Show t, Enum t, Bounded t) => Case_Rule -> String -> Maybe t
- lookup_by :: (a -> a -> Bool) -> a -> [(a, b)] -> Maybe b
- rlookup_by :: (b -> b -> Bool) -> b -> [(a, b)] -> Maybe a
- pcn_triples :: [a] -> [(Maybe a, a, Maybe a)]
- type T2 a = (a, a)
- type T3 a = (a, a, a)
- type T4 a = (a, a, a, a)
- mk_duples :: (a -> c) -> (b -> c) -> [(a, b)] -> [c]
- mk_duples_l :: (Int -> c) -> (a -> c) -> (b -> c) -> [(a, [b])] -> [c]
- mk_triples :: (a -> d) -> (b -> d) -> (c -> d) -> [(a, b, c)] -> [d]
Documentation
STRING / CASE
string_eq :: Case_Rule -> String -> String -> Bool Source
String equality with Case_Rule
.
string_eq CI "lower" "LOWER" == True
rlookup_str :: Case_Rule -> String -> [(a, String)] -> Maybe a Source
rlookup_by
of string_eq
.
LIST
rlookup_by :: (b -> b -> Bool) -> b -> [(a, b)] -> Maybe a Source
Reverse lookup
with equality function.
pcn_triples :: [a] -> [(Maybe a, a, Maybe a)] Source
(prev,cur,next) triples.
pcn_triples [1..3] == [(Nothing,1,Just 2),(Just 1,2,Just 3),(Just 2,3,Nothing)]
TUPLES
mk_duples_l :: (Int -> c) -> (a -> c) -> (b -> c) -> [(a, [b])] -> [c] Source
Length prefixed list variant of mk_duples
.
mk_triples :: (a -> d) -> (b -> d) -> (c -> d) -> [(a, b, c)] -> [d] Source
concatMap
of f at x and g at y and h at z.