abbcf3c · elk · git.iko.soy

git.iko.soy/elk

Add append and concat functions, organize docs better

commitabbcf3c13d2604ab3ab8f27756dd2cc431ec23bf authorEvan Czaplicki <info@elm-lang.org> dateTue 22 Oct 2013, 06:54 (13 years ago) parent99bd100

2 files changed+29−4

compare with master

unifiedsplit

libraries/Native/String.js+8 libraries/String.elm+21−4

libraries/Native/String.js+8

@@ -22,6 +22,12 @@ Elm.Native.String.make = function(elm) {

2222 return (hd = str[0]) ? Maybe.Just(Utils.Tuple2(Utils.chr(hd), str.slice(1)))

2323 : Maybe.Nothing;

2424 }

25+ function append(a,b) {

26+ return a + b;

27+ }

28+ function concat(strs) {

29+ return JS.fromList(strs).join('');

30+ }

2531 function length(str) {

2632 return str.length;

2733 }

@@ -191,6 +197,8 @@ Elm.Native.String.make = function(elm) {

191197 isEmpty: isEmpty,

192198 cons: F2(cons),

193199 uncons: uncons,

200+ append: F2(append),

201+ concat: concat,

194202 length: length,

195203 map: F2(map),

196204 filter: F2(filter),

libraries/String.elm+21−4

@@ -3,11 +3,10 @@ module String where

33are enclosed in `"double quotes"`. Strings are *not* lists of characters.

55# Basics

6−@docs isEmpty, length, cons, uncons, reverse,

7− map, filter, foldl, foldr, any, all, repeat

6+@docs isEmpty, length, reverse, repeat

9−# Split and Join

10−@docs split, join, words, lines

8+# Building and Splitting

9+@docs cons, uncons, append, concat, split, join, words, lines

1110

1211# Get Substrings

1312@docs sub, left, right, dropLeft, dropRight

@@ -24,6 +23,9 @@ Cosmetic operations such as padding with extra characters or trimming whitespace

2423@docs toUpper, toLower,

2524 pad, padLeft, padRight,

2625 trim, trimLeft, trimRight

26+

27+# Higher-Order Functions

28+@docs map, filter, foldl, foldr, any, all

2729-}

2830

2931import Native.String

@@ -46,6 +48,21 @@ pattern match on strings exactly as you would with lists.

4648uncons : String -> Maybe (Char, String)

4749uncons = Native.String.uncons

4850

51+{-| Append two strings. You can also use [the `(++)` operator](/library/List.elm#++)

52+to do this.

53+

54+ append "butter" "fly" == "butterfly"

55+-}

56+append : String -> String -> String

57+append = Native.String.append

58+

59+{-| Concatenate many strings into one.

60+

61+ concat ["never","the","less"] == "nevertheless"

62+-}

63+concat : [String] -> String

64+concat = Native.String.concat

65+

4966{-| Get the length of a string `(length "innumerable" == 11)` -}

5067length : String -> Int

5168length = Native.String.length