HCoop / hcoop / debian / mlton.git / blame
| Commit | Line | Data |
|---|---|---|
| 7f918cf1 CE |
1 | (* sharing on a non-object *) |
| 2 | val () = MLton.share 13 | |
| 3 | ||
| 4 | (* tuple option array *) | |
| 5 | val a = Array.tabulate (100, fn i => SOME (i mod 2, i mod 3)) | |
| 6 | val () = Array.update (a, 0, NONE) | |
| 7 | ||
| 8 | fun msg () = | |
| 9 | (print (concat ["size of a is ", Int.toString (MLton.size a), "\n"]) | |
| 10 | ; Array.appi (fn (i, z) => | |
| 11 | print (concat [Int.toString i, " => ", | |
| 12 | case z of | |
| 13 | NONE => "NONE" | |
| 14 | | SOME (a, b) => | |
| 15 | concat ["(", Int.toString a, ", ", | |
| 16 | Int.toString b, ")"], | |
| 17 | "\n"])) a) | |
| 18 | ||
| 19 | val () = msg () | |
| 20 | val () = MLton.share a | |
| 21 | val () = msg () | |
| 22 | ||
| 23 | (* tuple option array with pre-existing sharing *) | |
| 24 | val a = Array.tabulate (100, fn i => | |
| 25 | if i mod 2 = 0 | |
| 26 | then SOME (1, 1) | |
| 27 | else SOME (i mod 3, i mod 3)) | |
| 28 | val () = Array.update (a, 0, NONE) | |
| 29 | fun msg () = | |
| 30 | (print (concat ["size of a is ", Int.toString (MLton.size a), "\n"]) | |
| 31 | ; Array.appi (fn (i, z) => | |
| 32 | print (concat [Int.toString i, " => ", | |
| 33 | case z of | |
| 34 | NONE => "NONE" | |
| 35 | | SOME (a, b) => | |
| 36 | concat ["(", Int.toString a, ", ", | |
| 37 | Int.toString b, ")"], | |
| 38 | "\n"])) a) | |
| 39 | val () = msg () | |
| 40 | val () = MLton.share a | |
| 41 | val () = msg () | |
| 42 | ||
| 43 | (* tuple option ref array *) | |
| 44 | ||
| 45 | val a = Array.tabulate (100, fn i => ref (SOME (i mod 2, i mod 3))) | |
| 46 | val () = Array.sub (a, 0) := NONE | |
| 47 | ||
| 48 | fun msg () = | |
| 49 | (print (concat ["size of a is ", Int.toString (MLton.size a), "\n"]) | |
| 50 | ; Array.appi (fn (i, z) => | |
| 51 | print (concat [Int.toString i, " => ", | |
| 52 | case !z of | |
| 53 | NONE => "NONE" | |
| 54 | | SOME (a, b) => | |
| 55 | concat ["(", Int.toString a, ", ", | |
| 56 | Int.toString b, ")"], | |
| 57 | "\n"])) a) | |
| 58 | ||
| 59 | val () = msg () | |
| 60 | val () = MLton.share a | |
| 61 | val () = msg () | |
| 62 | val () = Array.appi (fn (i, r) => | |
| 63 | r := (if i = 0 then NONE else (SOME (i mod 2, i mod 3)))) a | |
| 64 | val () = msg () | |
| 65 | ||
| 66 | (* big tuple option array *) | |
| 67 | val a = Array.tabulate (100000, fn i => SOME (i mod 2, i mod 3)) | |
| 68 | val () = Array.update (a, 0, NONE) | |
| 69 | ||
| 70 | fun msg () = | |
| 71 | print (concat ["size of a is ", Int.toString (MLton.size a), "\n", | |
| 72 | case Array.sub (a, 1) of | |
| 73 | NONE => "NONE" | |
| 74 | | SOME (a, b) => | |
| 75 | concat ["(", Int.toString a, ", ", Int.toString b, ")"], | |
| 76 | "\n"]) | |
| 77 | ||
| 78 | val () = msg () | |
| 79 | val () = MLton.share a | |
| 80 | val () = msg () | |
| 81 | ||
| 82 | (* non-sharing of vectors *) | |
| 83 | datatype t = A | B | |
| 84 | val v1 = Vector.fromList [A, B, A, B, A, B, A, B, A, B, A, B] | |
| 85 | val v2 = Vector.fromList [A, B, A, B, A, B, A, B, A, B, A, A] | |
| 86 | ||
| 87 | val a = Array.tabulate (4, fn i => | |
| 88 | if i mod 2 = 0 | |
| 89 | then v1 | |
| 90 | else v2) | |
| 91 | ||
| 92 | val () = MLton.share a | |
| 93 | ||
| 94 | val () = | |
| 95 | if Array.sub (a, 2) = Array.sub (a, 3) | |
| 96 | then raise Fail "bug" | |
| 97 | else () | |
| 98 | ||
| 99 | (* sharing of vectors *) | |
| 100 | val a = | |
| 101 | Array.tabulate (10, fn i => | |
| 102 | if i mod 2 = 0 | |
| 103 | then "abcdef" | |
| 104 | else concat ["abc", "def"]) | |
| 105 | ||
| 106 | fun p () = print (concat ["size is ", Int.toString (MLton.size a), "\n"]) | |
| 107 | ||
| 108 | val () = p () | |
| 109 | ||
| 110 | val () = MLton.share a | |
| 111 | ||
| 112 | val () = p () | |
| 113 | ||
| 114 | val s0 = Array.sub (a, 0) | |
| 115 | ||
| 116 | val s1 = Array.sub (a, 1) | |
| 117 | ||
| 118 | val () = print (concat [s0, " ", s1, "\n"]) | |
| 119 | ||
| 120 | (* sharing of vectors in a tuple *) | |
| 121 | ||
| 122 | val t = ("abcdef", concat ["abc", "def"]) | |
| 123 | ||
| 124 | fun p () = print (concat ["size is ", Int.toString (MLton.size t), "\n"]) | |
| 125 | ||
| 126 | val () = p () | |
| 127 | ||
| 128 | val () = MLton.share t | |
| 129 | ||
| 130 | val () = p () | |
| 131 | ||
| 132 | val (s1, s2) = t | |
| 133 | ||
| 134 | val () = print (concat [s1, " ", s2, "\n"]) | |
| 135 | ||
| 136 | (* non-sharing of similar looking strings of different lengths. *) | |
| 137 | val a = | |
| 138 | Array.tabulate (10, fn i => | |
| 139 | if 0 = i mod 2 | |
| 140 | then "a" | |
| 141 | else concat ["a", "\000"]) | |
| 142 | ||
| 143 | val () = MLton.share a | |
| 144 | ||
| 145 | val s0 = Array.sub (a, 0) | |
| 146 | val s1 = Array.sub (a, 1) | |
| 147 | ||
| 148 | val () = | |
| 149 | print (concat [Int.toString (size s0), " ", | |
| 150 | Int.toString (size s1), "\n"]) | |
| 151 |