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annotate util/bit53.lua @ 12358:d77d8fba44ad

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util.bit53: Add left- and right shift operations While not used by anything in Prosody, it is known to be used by some 3rd party modules.
author Kim Alvefur <zash@zash.se>
date Mon, 28 Jun 2021 03:56:45 +0200
parents 48f7cda4174d
children af02b033bd7f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10241
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- Only the operators needed by net.websocket.frames are provided at this point
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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2 return {
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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3 band = function (a, b) return a & b end;
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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4 bor = function (a, b) return a | b end;
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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5 bxor = function (a, b) return a ~ b end;
12358
d77d8fba44ad util.bit53: Add left- and right shift operations
Kim Alvefur <zash@zash.se>
parents: 10241
diff changeset
6 rshift = function (a, n) return a >> n end;
d77d8fba44ad util.bit53: Add left- and right shift operations
Kim Alvefur <zash@zash.se>
parents: 10241
diff changeset
7 lshift = function (a, n) return a << n end;
10241
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 };
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9