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@@ -15,7 +15,7 @@ clone :: proc(s: string, allocator := context.allocator, loc := #caller_location
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}
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// returns a clone of the string `s` allocated using the `allocator` as a cstring
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-// a nul byte is appended to the clone, to make the cstring safe
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+// a nul byte is appended to the clone, to make the cstring safe
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clone_to_cstring :: proc(s: string, allocator := context.allocator, loc := #caller_location) -> cstring {
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c := make([]byte, len(s)+1, allocator, loc)
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copy(c, s)
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@@ -37,7 +37,7 @@ string_from_nul_terminated_ptr :: proc(ptr: ^byte, len: int) -> string {
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return s
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}
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-// returns the raw ^byte start of the string `str`
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+// returns the raw ^byte start of the string `str`
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ptr_from_string :: proc(str: string) -> ^byte {
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d := transmute(mem.Raw_String)str
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return d.data
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@@ -969,7 +969,7 @@ count :: proc(s, substr: string) -> int {
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repeats the string `s` multiple `count` times and returns the allocated string
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panics when `count` is below 0
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- strings.repeat("abc", 2) -> "abcabc"
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+ strings.repeat("abc", 2) -> "abcabc"
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*/
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repeat :: proc(s: string, count: int, allocator := context.allocator) -> string {
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if count < 0 {
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@@ -1378,7 +1378,7 @@ split_multi :: proc(s: string, substrs: []string, allocator := context.allocator
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// skip when no results
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if substrings_found < 1 {
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- return
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+ return
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}
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buf = make([]string, substrings_found + 1, allocator)
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@@ -1812,16 +1812,35 @@ fields_iterator :: proc(s: ^string) -> (field: string, ok: bool) {
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// `levenshtein_distance` returns the Levenshtein edit distance between 2 strings.
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// This is a single-row-version of the Wagner–Fischer algorithm, based on C code by Martin Ettl.
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-// Note: allocator isn't used if the length of string b in runes is smaller than 70.
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+// Note: allocator isn't used if the length of string b in runes is smaller than 256.
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levenshtein_distance :: proc(a, b: string, allocator := context.allocator) -> int {
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LEVENSHTEIN_DEFAULT_COSTS: []int : {
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- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
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- 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
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- 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
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- 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
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- 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
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- 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
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- 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
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+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
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+ 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
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+ 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
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+ 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
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+ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
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+ 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
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+ 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
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+ 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
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+ 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
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+ 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
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+ 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
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+ 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
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+ 120, 121, 122, 123, 124, 125, 126, 127, 128, 129,
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+ 130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
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+ 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
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+ 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
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+ 160, 161, 162, 163, 164, 165, 166, 167, 168, 169,
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+ 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
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+ 180, 181, 182, 183, 184, 185, 186, 187, 188, 189,
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+ 190, 191, 192, 193, 194, 195, 196, 197, 198, 199,
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+ 200, 201, 202, 203, 204, 205, 206, 207, 208, 209,
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+ 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
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+ 220, 221, 222, 223, 224, 225, 226, 227, 228, 229,
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+ 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
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+ 240, 241, 242, 243, 244, 245, 246, 247, 248, 249,
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+ 250, 251, 252, 253, 254, 255,
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}
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m, n := utf8.rune_count_in_string(a), utf8.rune_count_in_string(b)
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