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util/bitcompat.lua @ 13130:0b650a54ff9a
doc/hgrc-email: Example config for using 'hg email' to contribute
The initial setup can be tricky if you don't know what and were settings
should be added.
This should maybe also go into site/doc/contributing
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 07 Jun 2023 16:56:53 +0200 |
parent | 12975:d10957394a3c |
child | 13624:de902cc0d46c |
rev | line source |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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1 -- Compatibility layer for bitwise operations |
48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
2 |
48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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3 -- First try the bit32 lib |
48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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4 -- Lua 5.3 has it with compat enabled |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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5 -- Lua 5.2 has it by default |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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6 if _G.bit32 then |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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7 return _G.bit32; |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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changeset
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8 end |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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changeset
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9 |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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10 do |
48f7cda4174d
util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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11 -- Lua 5.3 and 5.4 would be able to use native infix operators |
12975
d10957394a3c
util: Prefix module imports with prosody namespace
Kim Alvefur <zash@zash.se>
parents:
12573
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12 local ok, bitop = pcall(require, "prosody.util.bit53") |
10241
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
13 if ok then |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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14 return bitop; |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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15 end |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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16 end |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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17 |
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util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
parents:
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18 error "No bit module found. See https://prosody.im/doc/depends#bitop"; |