inline the status CODE_DIGITS

Author: dekellum

src/status.rs

@@ -134,11 +134,7 @@ impl StatusCode {
         let offset = (self.0.get() - 100) as usize;
         let offset = offset * 3;
 
-        unsafe {
-            CODES_AS_STR
-                .get_unchecked(offset..)
-                .get_unchecked(..3)
-        }
+        unsafe { CODE_DIGITS.get_unchecked(offset..offset+3) }
     }
 
     /// Get the standardised `reason-phrase` for this status code.
@@ -533,68 +529,51 @@ impl fmt::Display for InvalidStatusCode {
 
 impl Error for InvalidStatusCode {}
 
-macro_rules! status_code_strs {
-    ($($num:expr,)+) => {
-        const CODES_AS_STR: &'static str = concat!(
-            $(
-                stringify!($num) ,
-            )+
-        );
-    }
-}
-
-status_code_strs!(
-    100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
-    120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
-    140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
-    160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
-    180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199,
-
-    200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
-    220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
-    240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259,
-    260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279,
-    280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299,
-
-    300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319,
-    320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339,
-    340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359,
-    360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379,
-    380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399,
-
-    400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419,
-    420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439,
-    440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459,
-    460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479,
-    480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499,
-
-    500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519,
-    520, 521, 522, 523, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539,
-    540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559,
-    560, 561, 562, 563, 564, 565, 566, 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579,
-    580, 581, 582, 583, 584, 585, 586, 587, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599,
-
-    600, 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619,
-    620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639,
-    640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659,
-    660, 661, 662, 663, 664, 665, 666, 667, 668, 669, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679,
-    680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695, 696, 697, 698, 699,
-
-    700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719,
-    720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 730, 731, 732, 733, 734, 735, 736, 737, 738, 739,
-    740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 751, 752, 753, 754, 755, 756, 757, 758, 759,
-    760, 761, 762, 763, 764, 765, 766, 767, 768, 769, 770, 771, 772, 773, 774, 775, 776, 777, 778, 779,
-    780, 781, 782, 783, 784, 785, 786, 787, 788, 789, 790, 791, 792, 793, 794, 795, 796, 797, 798, 799,
-
-    800, 801, 802, 803, 804, 805, 806, 807, 808, 809, 810, 811, 812, 813, 814, 815, 816, 817, 818, 819,
-    820, 821, 822, 823, 824, 825, 826, 827, 828, 829, 830, 831, 832, 833, 834, 835, 836, 837, 838, 839,
-    840, 841, 842, 843, 844, 845, 846, 847, 848, 849, 850, 851, 852, 853, 854, 855, 856, 857, 858, 859,
-    860, 861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879,
-    880, 881, 882, 883, 884, 885, 886, 887, 888, 889, 890, 891, 892, 893, 894, 895, 896, 897, 898, 899,
-
-    900, 901, 902, 903, 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 915, 916, 917, 918, 919,
-    920, 921, 922, 923, 924, 925, 926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939,
-    940, 941, 942, 943, 944, 945, 946, 947, 948, 949, 950, 951, 952, 953, 954, 955, 956, 957, 958, 959,
-    960, 961, 962, 963, 964, 965, 966, 967, 968, 969, 970, 971, 972, 973, 974, 975, 976, 977, 978, 979,
-    980, 981, 982, 983, 984, 985, 986, 987, 988, 989, 990, 991, 992, 993, 994, 995, 996, 997, 998, 999,
-    );
+// A string of packed 3-ASCII-digit status code values for the supported range
+// of (100..=999)
+const CODE_DIGITS: &'static str = "\
+100101102103104105106107108109110111112113114115116117118119\
+120121122123124125126127128129130131132133134135136137138139\
+140141142143144145146147148149150151152153154155156157158159\
+160161162163164165166167168169170171172173174175176177178179\
+180181182183184185186187188189190191192193194195196197198199\
+200201202203204205206207208209210211212213214215216217218219\
+220221222223224225226227228229230231232233234235236237238239\
+240241242243244245246247248249250251252253254255256257258259\
+260261262263264265266267268269270271272273274275276277278279\
+280281282283284285286287288289290291292293294295296297298299\
+300301302303304305306307308309310311312313314315316317318319\
+320321322323324325326327328329330331332333334335336337338339\
+340341342343344345346347348349350351352353354355356357358359\
+360361362363364365366367368369370371372373374375376377378379\
+380381382383384385386387388389390391392393394395396397398399\
+400401402403404405406407408409410411412413414415416417418419\
+420421422423424425426427428429430431432433434435436437438439\
+440441442443444445446447448449450451452453454455456457458459\
+460461462463464465466467468469470471472473474475476477478479\
+480481482483484485486487488489490491492493494495496497498499\
+500501502503504505506507508509510511512513514515516517518519\
+520521522523524525526527528529530531532533534535536537538539\
+540541542543544545546547548549550551552553554555556557558559\
+560561562563564565566567568569570571572573574575576577578579\
+580581582583584585586587588589590591592593594595596597598599\
+600601602603604605606607608609610611612613614615616617618619\
+620621622623624625626627628629630631632633634635636637638639\
+640641642643644645646647648649650651652653654655656657658659\
+660661662663664665666667668669670671672673674675676677678679\
+680681682683684685686687688689690691692693694695696697698699\
+700701702703704705706707708709710711712713714715716717718719\
+720721722723724725726727728729730731732733734735736737738739\
+740741742743744745746747748749750751752753754755756757758759\
+760761762763764765766767768769770771772773774775776777778779\
+780781782783784785786787788789790791792793794795796797798799\
+800801802803804805806807808809810811812813814815816817818819\
+820821822823824825826827828829830831832833834835836837838839\
+840841842843844845846847848849850851852853854855856857858859\
+860861862863864865866867868869870871872873874875876877878879\
+880881882883884885886887888889890891892893894895896897898899\
+900901902903904905906907908909910911912913914915916917918919\
+920921922923924925926927928929930931932933934935936937938939\
+940941942943944945946947948949950951952953954955956957958959\
+960961962963964965966967968969970971972973974975976977978979\
+980981982983984985986987988989990991992993994995996997998999";