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Author SHA1 Message Date
Rob Rix
2726a43c83 Lazily, not eagerly. 
`Memo.init` selected the eager version, of course, since the lazy
version takes a closure.
 2015-10-06 14:19:39 -04:00
Rob Rix
1658219d59 Document constructRowMajor. 2015-10-06 14:17:14 -04:00
Rob Rix
092087fc54 Extract row-major ordering into a private function. 2015-10-06 14:15:21 -04:00
Rob Rix
934390a0d5 Retrieve in row-major order. 2015-10-06 14:11:36 -04:00
Rob Rix
d12c95e296 Insert in row-major order. 2015-10-06 14:11:26 -04:00
Rob Rix
e178745c56 Cache the costs for the rest of the graph at each vertex. 2015-10-06 13:33:38 -04:00
Rob Rix
6c8ce1bcb2 Append, don’t subscript. 
Subscripting only replaces, never appends.
 2015-10-06 13:29:43 -04:00
Rob Rix
a9349c33dc Port the SES example from the paper. 2015-10-06 13:27:06 -04:00
Rob Rix
48a0935d5c Use the little API for deletion fixtures. 2015-10-06 13:26:44 -04:00
Rob Rix
69d42e121c Port insertion/deletion in the middle. 2015-10-06 13:25:56 -04:00
Rob Rix
9761ba3d98 Port insertion/deletion at head. 2015-10-06 13:25:27 -04:00
Rob Rix
b23a8ac6f7 Rename copy to roll so we can actually call it from within the tests. 2015-10-06 13:25:09 -04:00
Rob Rix
1473d5648b Port the pure insert/delete tests. 2015-10-06 13:22:54 -04:00
Rob Rix
0d8c080f35 Add a little API for diffs. 2015-10-06 13:22:37 -04:00
Rob Rix
5a86df7a8d Assert equality using Assertions.assert. 2015-10-06 13:16:43 -04:00
Rob Rix
cd2faed7ce Add a typealias for diffs. 2015-10-06 13:16:32 -04:00
Rob Rix
ea09799e58 import Assertions. 2015-10-06 13:16:23 -04:00
Rob Rix
b3e6a92224 The tests link against Assertions.framework. 2015-10-06 13:16:15 -04:00
Rob Rix
8825a92ec7 Include Assertions in the workspace. 2015-10-06 13:16:05 -04:00
Rob Rix
1c4a880b09 Add Assertions as a submodule. 2015-10-06 13:13:53 -04:00
Rob Rix
286b91a88d Add a wrapper function to compute the SES. 2015-10-06 13:12:53 -04:00
Rob Rix
1ecafbff43 Import Doubt testably. 2015-10-06 13:10:45 -04:00
Rob Rix
648945fee0 FreeAlgorithm.evaluate() calls out to SES. 2015-10-06 13:09:17 -04:00
Rob Rix
d2b3f16cfc Document SES. 2015-10-06 13:08:17 -04:00
Rob Rix
90b404b3ee Extract the SES function. 2015-10-06 13:05:49 -04:00
Rob Rix
6cef3b9884 Matrix is public. 2015-10-06 13:00:07 -04:00
Rob Rix
bdabcc5c24 Matrix.values is private. 2015-10-06 13:00:01 -04:00
Rob Rix
e4689b9102 Fix hashing is public. 2015-10-06 12:59:13 -04:00
Rob Rix
c35e31ad4a Define the Term fixtures using Fix. 2015-10-06 12:58:07 -04:00
Rob Rix
daf5f8ed9e Add a typealias for the Term fixtures. 2015-10-06 12:57:48 -04:00
Rob Rix
900d364057 Link to @patrickt’s tutorials on recursion schemes. 2015-10-06 12:53:30 -04:00
Rob Rix
675d355b96 Document iterate. 2015-10-06 12:47:33 -04:00
Rob Rix
67d35078d8 Call a Term a Term. 2015-10-06 12:25:40 -04:00
Rob Rix
cce1ed61aa Document FreeAlgorithm.init. 2015-10-06 12:24:58 -04:00
Rob Rix
511ef4d1a1 Document that out-of-bound indices are safe. 2015-10-06 12:20:58 -04:00
Rob Rix
25f29c328c Document Matrix a little. 2015-10-06 12:19:59 -04:00
Rob Rix
cb33717fb9 🔥 Syntax.reduce. 2015-10-06 12:17:51 -04:00
Rob Rix
69b8028750 🔥 Term.swift. 2015-10-06 12:17:38 -04:00
Rob Rix
b1af1a63a4 🔥 Diff.swift. 2015-10-06 12:17:14 -04:00
Rob Rix
4f95704c97 Remove an obsolete fixme. 2015-10-06 12:16:37 -04:00
Rob Rix
c322386cb4 Recur in dictionary diffing. 2015-10-06 12:16:19 -04:00
Rob Rix
ebca63b01e Recur in SES. 2015-10-06 12:15:48 -04:00
Rob Rix
e14c5a7f9d FreeAlgorithm doesn’t need equals or recur when A: Equatable & B: FreeConvertible. 2015-10-06 12:15:28 -04:00
Rob Rix
36c8fa03c9 FreeAlgorithm doesn’t need recur when B: FreeConvertible. 2015-10-06 12:15:08 -04:00
Rob Rix
1fcba3fca0 recur actually has to return Diff. 
`B` will only be identified with `Diff` when `B: FreeConvertible`.
 2015-10-06 12:12:47 -04:00
Rob Rix
131ae72f1a Note that we can’t call recur in the Recursive strategy. 
Paradox.
 2015-10-06 12:09:18 -04:00
Rob Rix
ac0b142a40 Recur through a parameter pairing Terms. 2015-10-06 12:07:56 -04:00
Rob Rix
f30ebc8cdb Diff/Term typealiases are public. 2015-10-06 12:03:58 -04:00
Rob Rix
d020d17f60 Note that we need to recur in SES. 2015-10-06 12:01:39 -04:00
Rob Rix
6a11a88dea Compute the best diff to continue with. 2015-10-06 12:01:14 -04:00
Rob Rix
eb2b242d3a Extract the nominated next diff into a temporary. 2015-10-06 11:58:36 -04:00
Rob Rix
28d5612c44 Use costOfStream to implement cons. 2015-10-06 11:57:37 -04:00
Rob Rix
1ac2f8d8c0 Add a function to compute the cost of the rest of the graph. 2015-10-06 11:57:04 -04:00
Rob Rix
d7c36a30c9 Remove here. 2015-10-06 11:55:55 -04:00
Rob Rix
84a1122ed7 Write cost as a func. 2015-10-06 11:55:15 -04:00
Rob Rix
cc6627bb52 Write cons as a func. 2015-10-06 11:54:42 -04:00
Rob Rix
c0ab03e73d Compute the cost of the remainder of the stream. 2015-10-06 11:52:56 -04:00
Rob Rix
97b4c59a81 Rewrite the sum to wrap stream construction. 2015-10-06 11:52:13 -04:00
Rob Rix
3cdc9bd745 Simplify the Stream-unconsing. 2015-10-06 11:48:50 -04:00
Rob Rix
5e144553fd Add a function to compute the cost of the rest of the diff. 2015-10-06 11:48:04 -04:00
Rob Rix
4e6dd07e78 Extract the diff. 2015-10-06 11:46:30 -04:00
Rob Rix
3919a4c093 Interpret free algorithms where we’re computing a diff. 2015-10-06 11:43:17 -04:00
Rob Rix
6e1a7c6794 Memoize a cost for diffs. 2015-10-06 11:41:37 -04:00
Rob Rix
03c5f0b644 Stub diffing in the middle of the graph. 2015-10-06 11:40:54 -04:00
Rob Rix
1d993bb65b Diff along the right of the edit graph. 2015-10-06 11:40:42 -04:00
Rob Rix
c090fc33d5 Diff along the bottom of the edit graph. 2015-10-06 11:39:34 -04:00
Rob Rix
f442f3594f Stub in diffing with Matrix. 2015-10-06 11:38:50 -04:00
Rob Rix
88030e217f Short-circuit degenerate cases. 2015-10-06 11:30:41 -04:00
Rob Rix
8dd605bb54 Add a function computing the cost of a diff. 2015-10-06 11:30:21 -04:00
Rob Rix
b910fdba46 Section header for Syntax.map. 2015-10-06 11:08:39 -04:00
Rob Rix
286ff11f79 Rename iter to iterate. 2015-10-06 11:05:02 -04:00
Rob Rix
8800c57ca7 Oh yeah, method dispatch works too. 2015-10-06 11:04:36 -04:00
Rob Rix
8226285153 Implement iter as a method. 2015-10-06 11:04:14 -04:00
Rob Rix
c0edc77185 Implement iter by case analysis. 2015-10-06 11:03:03 -04:00
Rob Rix
3da765d32b Identity. 2015-10-06 11:02:22 -04:00
Rob Rix
3d06b533bc Implement iter over Free. 2015-10-06 11:02:15 -04:00
Rob Rix
24e113d2f0 The hash property on Free is public. 2015-10-06 11:00:47 -04:00
Rob Rix
0be3eeb8e1 Dictionary diffing should recur. 2015-10-06 09:28:30 -04:00
Rob Rix
3fb6f24d8b Diff indexed terms. 2015-10-05 17:30:29 -04:00
Rob Rix
b08a51a360 Abbreviate further. 2015-10-05 17:29:20 -04:00
Rob Rix
071bf6bd6f Stub in a matrix pairing the elements to be diffed. 2015-10-05 17:27:28 -04:00
Rob Rix
d00da3f90a Remove evaluation from Algorithm. 2015-10-05 17:26:17 -04:00
Rob Rix
b7b56b1d01 Move the body of evaluation into FreeAlgebra. 2015-10-05 17:25:47 -04:00
Rob Rix
1ef04248cb Bring the typealiases from Algorithm into FreeAlgorithm. 2015-10-05 17:25:17 -04:00
Rob Rix
3fdda99653 Matrix is a functor. 2015-10-05 17:18:40 -04:00
Rob Rix
0e8b74e830 Matrix has a private fieldwise constructor. 2015-10-05 17:18:35 -04:00
Rob Rix
81b6c172cf Populate the matrix with a compute function. 2015-10-05 17:12:28 -04:00
Rob Rix
c935e4a3d9 Stub in a matrix of memoized values. 2015-10-05 17:11:56 -04:00
Rob Rix
9e2b6bd3b4 Document the ByIndex case a bit more. 2015-10-05 14:54:03 -04:00
Rob Rix
b7ebabd529 Stub in ByIndex diffing. 2015-10-05 13:17:43 -04:00
Rob Rix
80ba5fb379 More thorough documentation of FreeAlgorithm. 2015-10-05 13:15:23 -04:00
Rob Rix
437fbd269f Algorithm is an operation. 2015-10-05 13:14:46 -04:00
Rob Rix
847216a942 Document some elements of FreeAlgorithm. 2015-10-05 13:05:31 -04:00
Rob Rix
49aa2b3dd5 Section headers. 2015-10-05 13:02:04 -04:00
Rob Rix
30d16f87e8 Remove the free diff function. 2015-10-05 13:00:36 -04:00
Rob Rix
e2e6a0ea03 Note the need for SES. 2015-10-05 12:51:43 -04:00
Rob Rix
4b3b1ec3d4 Top-level construction of FreeAlgorithms from Terms. 2015-10-05 12:51:05 -04:00
Rob Rix
1af75347a1 Add a hack protocol to allow an ersatz same-type requirement. 2015-10-05 12:50:47 -04:00
Rob Rix
00ae25a932 Add a function computing the FreeAlgorithm for two terms. 2015-10-05 12:33:59 -04:00
Rob Rix
81e80eae50 Evaluation of FreeAlgorithm where A: Equatable. 2015-10-05 12:32:34 -04:00
Rob Rix
346a39fafc Evaluation of FreeAlgorithm. 2015-10-05 12:32:21 -04:00
Rob Rix
fa3be5108e FreeAlgorithm is a monad. 2015-10-05 12:30:10 -04:00
Rob Rix
c70ab9e9a4 FreeAlgorithm is a functor. 2015-10-05 12:29:35 -04:00
Rob Rix
eea4915d6a Add a free monad over Algorithm. 2015-10-05 12:19:55 -04:00
Rob Rix
8f9a47cd06 Simplify the evaluation of recursive algorithms. 2015-10-05 12:13:54 -04:00
Rob Rix
300f370bcb Spacing. 2015-10-05 12:13:25 -04:00
Rob Rix
7834548250 Algorithm implements dictionary diffing. 2015-10-05 09:24:29 -04:00
Rob Rix
bd5deecce7 Spacing. 2015-10-02 17:49:03 -04:00
Rob Rix
fce352dd85 Document why copy. 2015-10-02 17:48:58 -04:00
Rob Rix
51903b4434 Implement an interpreter for Algorithm. 2015-10-02 17:47:11 -04:00
Rob Rix
ad93456922 Algorithm is a Functor. 2015-10-02 17:34:14 -04:00
Rob Rix
f9dcf9569c The Recursive case contains two Terms, not one. 2015-10-02 17:32:25 -04:00
Rob Rix
b30aa91502 Algorithm is public. 2015-10-02 17:30:09 -04:00
Rob Rix
1b13580eb3 Document the Recursive case. 2015-10-02 17:29:13 -04:00
Rob Rix
bbd41b209d Doc comments for the Term and Diff typealiases. 2015-10-02 17:25:52 -04:00
Rob Rix
f26d4349c7 Documentation comment for the Algorithm type. 2015-10-02 17:25:40 -04:00
Rob Rix
8da57b5e78 Stub in the language of diffing algorithms. 2015-10-02 17:21:51 -04:00
Rob Rix
20bea59868 Add a Keyed case to Syntax. 2015-10-02 17:18:38 -04:00
Rob Rix
6657c5c0a5 Fix the debug description. 2015-10-02 17:13:27 -04:00
Rob Rix
7c69de54bc Rename Branch to Indexed. 2015-10-02 17:12:49 -04:00
Rob Rix
395fa8446f Note my keen desire to 🔥 Syntax.reduce forever. 2015-10-02 17:11:35 -04:00
Rob Rix
5ff17c8fc0 Syntax.Branch holds an array again. 2015-10-02 17:11:02 -04:00
Rob Rix
ebb3f1350f Conveniences for constructing insertions & deletions. 2015-10-02 16:53:43 -04:00
Rob Rix
ae7f30e922 Parameterized Patch hashing. 2015-10-02 16:50:59 -04:00
Rob Rix
ca6392e636 Parameterized Patch equality. 2015-10-02 16:49:04 -04:00
Rob Rix
9a19d477df Parameterized Optional equality. 2015-10-02 16:48:44 -04:00
Rob Rix
40291e2715 Move the function composition operator into the Operators file. 2015-10-02 16:42:42 -04:00
Rob Rix
089bd51fb3 Rename the property. 2015-10-02 16:38:21 -04:00
Rob Rix
48c2112124 Add a property destructuring Patches. 2015-10-02 16:38:02 -04:00
Rob Rix
0c4fe23e78 Doc comment for Patch. 2015-10-02 16:36:05 -04:00
Rob Rix
5c10f5ccc9 Stub in Patch. 2015-10-02 16:34:00 -04:00
Rob Rix
76441c3775 Fix implements hash where A is Hashable. 2015-10-02 16:31:49 -04:00
Rob Rix
bccc09d39b Fix hashing. 2015-10-02 16:31:10 -04:00
Rob Rix
96e5cd0e7a Abbreviate Fix equality. 2015-10-02 16:28:57 -04:00
Rob Rix
277757e3a2 Free implements hash when A and B are Hashable. 2015-10-02 16:27:44 -04:00
Rob Rix
e4d0a41093 Express flatMap with analysis. 2015-10-02 14:36:01 -04:00
Rob Rix
b4479e3854 Express map with analysis. 2015-10-02 14:35:18 -04:00
Rob Rix
2b5b85e0b4 Define Free hashing. 2015-10-02 14:35:07 -04:00
Rob Rix
f14433871b Parameterize by leaf hashing. 2015-10-02 14:33:41 -04:00
Rob Rix
3d40071b44 Give the hash parameter an external label. 2015-10-02 14:32:35 -04:00
Rob Rix
334bb3017e The roll function doesn’t escape. 2015-10-02 14:29:45 -04:00
Rob Rix
7d49895796 Section headers for functor/monad instances. 2015-10-02 14:27:37 -04:00
Rob Rix
7e00f9297e Implement case analysis for Free. 2015-10-02 14:26:53 -04:00
Rob Rix
de2dcf4bf4 == over Free. 2015-10-02 14:18:43 -04:00
Rob Rix
a0e77e2495 == over Fix. 2015-10-02 14:17:59 -04:00
Rob Rix
bc857f810b Fix Equality. 2015-10-02 14:17:25 -04:00
Rob Rix
87994c824f Free Equality. 2015-10-02 14:15:17 -04:00
Rob Rix
43bdcd45c9 Parameterize Syntax equality by leaf type equality. 2015-10-02 14:15:13 -04:00
Rob Rix
296dbeea8f Add a section mark for Syntax equality. 2015-10-02 14:12:54 -04:00
Rob Rix
6d5fd97552 Add an external label for recurrence equality. 2015-10-02 14:12:46 -04:00
Rob Rix
45a7e372b5 Rename the recur parameter. 2015-10-02 14:12:19 -04:00
Rob Rix
f8c37695ae Document Fix’s case. 2015-10-02 14:08:03 -04:00
Rob Rix
b2219feed7 Document Free’s cases. 2015-10-02 14:07:29 -04:00
Rob Rix
0a64dc8741 Free is indeed a Monad. 2015-10-02 14:03:34 -04:00
Rob Rix
97686157f3 Free is a Functor. 2015-10-02 13:59:55 -04:00
Rob Rix
e63ccff83f Documentation for Free. 2015-10-02 13:54:39 -04:00
Rob Rix
ad3d4b6c3f Backticks around types. 2015-10-02 13:54:34 -04:00
Rob Rix
0ff70be000 Stub in Free. 2015-10-02 13:43:43 -04:00
Rob Rix
da3c1041e0 Fix is public. 2015-10-02 13:42:55 -04:00
Rob Rix
bf75fcab61 Add Fix, the fixpoint of Syntax. 2015-10-02 13:21:43 -04:00
Rob Rix
cfb8cb92b9 Merge branch 'master' into optional-instead-of-empty 2015-10-02 13:06:42 -04:00
Rob Rix
ea5d9ef814 Merge branch 'master' into operators-alongside-operands 2015-10-02 13:05:23 -04:00
Rob Rix
cacba977dd Expand on the documentation of Copy. 2015-10-02 13:02:51 -04:00
Rob Rix
a96a88cdf8 Document magnitude a little. 2015-10-02 12:58:34 -04:00
Rob Rix
05a7c1a037 Remove Syntax.Empty. 2015-10-02 12:37:09 -04:00
Rob Rix
3cae5390b7 Inserts and Deletes Patch with nil. 2015-10-02 12:31:30 -04:00
Rob Rix
6eb840f795 Remove the Tree constructor wrappers. 2015-10-02 12:31:19 -04:00
Rob Rix
730790fec7 Patch states can be Optional. 2015-10-02 12:24:51 -04:00
Rob Rix
2ab10d6b3d Empty Hashes. 2015-10-02 12:24:18 -04:00
Rob Rix
49721679b6 Move Term equality into its file. 2015-10-01 15:26:15 -04:00
Rob Rix
906e502def Move Syntax equality into its file. 2015-10-01 15:25:49 -04:00
Rob Rix
4823a47f23 Rephrase parameterized equality as a static function. 2015-10-01 15:25:14 -04:00
Rob Rix
6a6b146863 Move Doc equality to its file. 2015-10-01 15:17:07 -04:00
Rob Rix
146f59bc23 Move Vertex equality to its file. 2015-10-01 15:16:25 -04:00
Rob Rix
91e119cde7 Diff’s Comparable implementation lives alongside it. 2015-10-01 15:15:30 -04:00
Rob Rix
bba8dacbc4 Some documentation comments. 2015-10-01 14:25:17 -04:00
Rob Rix
8961ee9168 Branch has only one child. 2015-10-01 14:08:13 -04:00
Rob Rix
0e7bc6b2b3 Stub in a ByIndex case for SES diffing. 2015-10-01 14:01:59 -04:00
Rob Rix
533e4578ea Comma-separate. 2015-10-01 14:01:19 -04:00
Rob Rix
12663f1158 Add ByKey to Diff. 2015-10-01 13:54:23 -04:00
Rob Rix
dda95ed386 Require Term’s leaf type to be Equatable. 
This is a bit of a hack.
 2015-10-01 13:52:32 -04:00
Rob Rix
fb247732cc Move diff equality into Diff.swift. 2015-10-01 11:34:17 -04:00
Rob Rix
8bac863ca0 Hash is AlgebraicHashable. 2015-10-01 10:46:25 -04:00
Rob Rix
009920606b Add unordered hashing. 2015-10-01 10:45:47 -04:00
Rob Rix
cdd05ab556 Extract the calculation of the magnitude of a syntax node into a function. 2015-10-01 10:45:23 -04:00
Rob Rix
97da6a15e4 Document Diff’s cases. 2015-10-01 10:45:06 -04:00
Rob Rix
2394ea3545 Correct AnyEquatable equality. 2015-10-01 10:34:36 -04:00
Rob Rix
fae5fc5123 Correct Syntax.hash() to refer to Ordered. 2015-10-01 10:33:47 -04:00
Rob Rix
12491dde7a AnyHashable convenience constructor. 2015-10-01 10:32:44 -04:00
Rob Rix
3ea42437f9 Abstract AnyHashable over AnyEquatable. 2015-10-01 10:31:18 -04:00
Rob Rix
39bbe4df42 AnyEquatable can unpack its value. 2015-10-01 10:29:48 -04:00
Rob Rix
72c1029d33 AnyHashable can unpack its value. 2015-10-01 10:28:24 -04:00
Rob Rix
079b3a479e AnyEquatable. 2015-10-01 10:28:14 -04:00
Rob Rix
279aab6530 Rename Sequence to Ordered. 2015-10-01 10:09:44 -04:00
Rob Rix
a2a55531c9 AnyHashable. 2015-10-01 09:59:26 -04:00
Rob Rix
18d74a9d9c Diff is AlgebraicHashable. 2015-10-01 09:54:56 -04:00
Rob Rix
0013475516 Terms of Hashable leaf type can be hashed. 2015-10-01 09:54:44 -04:00
Rob Rix
c698280fc2 Pass the hashing function for the Recur type in. 2015-10-01 09:53:30 -04:00
Rob Rix
1635b8ab8a Info is AlgebraicHashable. 2015-10-01 09:46:02 -04:00
Rob Rix
5dd80cb0ce Diff is defined over Term<Info>. 
This enables diffs to operate on categorized Terms.
 2015-09-30 16:05:39 -04:00
Rob Rix
84eeba6111 Info has a property for its Categories. 2015-09-30 16:02:01 -04:00
Rob Rix
d29e14508a Info has a Set of Categories. 2015-09-30 16:01:47 -04:00
Rob Rix
1ed5fc0e88 Categories are Hashable. 2015-09-30 16:00:13 -04:00
Rob Rix
282f56fb90 Categories have an accessor for their tag. 2015-09-30 16:00:03 -04:00
Rob Rix
5abbd36a80 Replace Location with Info. 2015-09-30 15:58:01 -04:00
Rob Rix
ddbe0943ef Location is Equatable. 2015-09-30 15:46:21 -04:00
Rob Rix
66281a6674 Document Literal Locations. 2015-09-30 15:46:16 -04:00
Rob Rix
0efffe3e3d Add source locations. 2015-09-30 15:29:56 -04:00
Rob Rix
459bad4dd6 Categories are equatable. 2015-09-30 15:29:40 -04:00
Rob Rix
f3122f1bae Move JSON construction of Term into doubt-swift. 2015-09-30 15:08:19 -04:00
Rob Rix
03d4fcfc53 Add Category. 2015-09-30 15:03:47 -04:00
Rob Rix
d7a8c64806 Abbreviate the properties. 2015-09-30 15:03:42 -04:00
Rob Rix
82720340ef Wrap with Term(). 2015-09-30 15:03:37 -04:00
Rob Rix
d8c718130b Lose an annotation. 2015-09-30 15:03:30 -04:00
Rob Rix
a6358b22d4 Remove CustomHashConvertible. 2015-09-30 15:02:31 -04:00
Rob Rix
2d0991b91f Abstract Term over a type parameter A. 2015-09-30 14:42:58 -04:00
Rob Rix
a2b9f9ce17 Implement Syntax equality using a function which expresses the equality of the functor. 2015-09-30 14:42:44 -04:00
Rob Rix
92d844f416 Extract the exception-for-control-flow ErrorType to global scope. 2015-09-30 14:40:30 -04:00
Rob Rix
88b677e1e0 Parameterize the type of Leaf. 2015-09-30 12:41:20 -04:00
Rob Rix
5529a502e3 Require Recur to be Hashable. 2015-09-30 12:40:49 -04:00
Rob Rix
de3ef64f48 Map using Hash.init. 2015-09-30 12:40:36 -04:00
Rob Rix
5fa07014a6 Replace all the other nodes with Branch. 2015-09-30 11:42:41 -04:00
Rob Rix
a0f562d25e Leaves, not Literals. 2015-09-30 11:03:55 -04:00
Rob Rix
4712e1c2cc Add CustomHashConvertible for non-Equatable objects that can be converted to Hashes. 2015-09-30 10:46:01 -04:00
Rob Rix
66b225fce3 Replace Case with a constructor. 2015-09-30 10:44:48 -04:00
Rob Rix
565800b1b0 Add a constructor for Int hashes. 2015-09-30 10:43:18 -04:00
Rob Rix
9841debe91 No longer need to disambiguate String. 2015-09-30 10:42:43 -04:00
Rob Rix
b581b8b71d Rename String to Label. 2015-09-30 10:42:27 -04:00
Rob Rix
d9eb3f6a69 Don’t need to disambiguate Int now. 2015-09-30 10:40:45 -04:00
Rob Rix
0cdb09a964 Rename the Int case to Raw. 2015-09-30 10:40:28 -04:00
Rob Rix
66141c95af Replace Literal/Variable with Leaf. 2015-09-30 10:36:25 -04:00
Rob Rix
1f253f4e12 Add a phantom type parameter to Syntax. 2015-09-30 10:31:48 -04:00
Rob Rix
308f81853d Rename the Payload type to Recur. 2015-09-30 10:29:38 -04:00
Rob Rix
4348604e66 Remove the typealias. 2015-09-30 10:29:32 -04:00
Rob Rix
31d35c854b Term is AlgebraicHashable. 2015-09-29 17:03:18 -04:00
Rob Rix
586def93cd Syntax<A: AlgebraicHashable> implements hash. 2015-09-29 17:03:11 -04:00
Rob Rix
7925347d21 Debug print abstraction bodies correctly. 2015-09-29 17:02:57 -04:00
Rob Rix
1cf92c94d0 Conveniences for labelled/numbered enum cases. 2015-09-29 17:02:35 -04:00
Rob Rix
f1c2f4b9e0 Algebraic hashing of RawRepresentable types whose RawValue is [Algebraic]Hashable. 2015-09-29 17:02:01 -04:00
Rob Rix
b60df96019 Construction of Hash from Hashable/AlgebraicallyHashable values. 2015-09-29 17:01:38 -04:00
Rob Rix
e32bb2af29 Add a protocol for algebraically hashable types. 
They’ll get `hashValue` for free.
 2015-09-29 17:00:52 -04:00
Rob Rix
278bba4f82 Add an algebraic Hash type. 2015-09-29 17:00:26 -04:00
Rob Rix
29de111b1c How did this even build? 2015-09-29 12:57:17 -04:00
Rob Rix
60821016a2 Revert "Empty terms are copied, not patched." 
This reverts commit 788dbaa07ceafc084dc0f10f74efc2aa2a6841ec.
 2015-09-29 12:54:42 -04:00
Rob Rix
dfbfb9fe79 Short-circuit for equal terms. 2015-09-29 12:54:32 -04:00
Rob Rix
7d36421d6a Empty terms are copied, not patched. 2015-09-29 12:53:04 -04:00
Rob Rix
94bcc7d3f0 Remove empty diffs. 2015-09-29 12:50:34 -04:00
Rob Rix
35581fa6d9 Resume using .Empty for Terms. 2015-09-29 12:49:36 -04:00
Rob Rix
50e8223f18 Whitespaaaace. 2015-09-29 12:49:19 -04:00
Rob Rix
c3e8d9a801 Remove Term.Empty. 2015-09-29 12:48:53 -04:00