fluencelabs/assemblyscript
1
0
Fork 0
mirror of https://github.com/fluencelabs/assemblyscript synced 2025-06-18 09:21:35 +00:00
Code Issues Projects Releases Wiki Activity

srsly

Browse Source
This commit is contained in:
dcode
2019-03-14 05:11:03 +01:00
parent 6163a73ab5
commit a5e14a0eaa
24 changed files with 739 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
std/assembly/util/hash.ts
View File

@ -1,16 +1,24 @@
// @ts-ignore: decorator
@inline export function HASH<T>(key: T): u32 {
if (isString(key)) {
// @ts-ignore: type
return hashStr(key);
} else if (isReference<T>()) {
if (sizeof<T>() == 4) return hash32(changetype<u32>(key));
if (sizeof<T>() == 8) return hash64(changetype<u64>(key));
} else if (isFloat<T>()) {
// @ts-ignore: type
if (sizeof<T>() == 4) return hash32(reinterpret<u32>(key));
// @ts-ignore: type
if (sizeof<T>() == 8) return hash64(reinterpret<u64>(key));
} else {
// @ts-ignore: type
if (sizeof<T>() == 1) return hash8 (<u32>key);
// @ts-ignore: type
if (sizeof<T>() == 2) return hash16(<u32>key);
// @ts-ignore: type
if (sizeof<T>() == 4) return hash32(<u32>key);
// @ts-ignore: type
if (sizeof<T>() == 8) return hash64(<u64>key);
}
unreachable();
@ -18,7 +26,9 @@
// FNV-1a 32-bit as a starting point, see: http://isthe.com/chongo/tech/comp/fnv/
// @ts-ignore: decorator
@inline const FNV_OFFSET: u32 = 2166136261;
// @ts-ignore: decorator
@inline const FNV_PRIME: u32 = 16777619;
function hash8(key: u32): u32 {