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5c77c9a754
- Order of attribute declaration is changed for `alias`. - Added `LANGUAGE_DEV_VERSION` env constant. - Rename `anyfault` -> `fault`. - Changed `fault` -> `faultdef`. - Added `attrdef` instead of `alias` for attribute aliases.
42 lines
759 B
Plaintext
42 lines
759 B
Plaintext
// Copyright (c) 2021 Christoffer Lerno. All rights reserved.
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// Use of this source code is governed by the MIT license
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// a copy of which can be found in the LICENSE_STDLIB file.
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module std::hash::fnv32a;
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typedef Fnv32a = uint;
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const FNV32A_START @private = 0x811c9dc5;
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const FNV32A_MUL @private = 0x01000193;
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macro void update(h, char x) @private => *h = (*h ^ ($typeof(*h))x) * FNV32A_MUL;
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fn void Fnv32a.init(&self)
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{
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*self = FNV32A_START;
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}
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fn void Fnv32a.update(&self, char[] data)
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{
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Fnv32a h = *self;
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foreach (char x : data)
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{
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update(&h, x);
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}
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*self = h;
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}
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macro void Fnv32a.update_char(&self, char c)
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{
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update(self, c);
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}
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fn uint hash(char[] data)
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{
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uint h = FNV32A_START;
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foreach (char x : data)
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{
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update(&h, x);
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}
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return h;
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}
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