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add docs and tests

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volth 2018-05-24 12:48:48 +00:00
parent 6cc28c0589
commit 88c1ea30e4
3 changed files with 35 additions and 1 deletions
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30
doc/manual/expressions/builtins.xml
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@ -92,6 +92,36 @@ available as <function>builtins.derivation</function>.</para>
</varlistentry>
<varlistentry><term><function>builtins.bitAnd</function>
<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
<listitem><para>Return the bitwise AND of the integers
<replaceable>e1</replaceable> and
<replaceable>e2</replaceable>.</para></listitem>
</varlistentry>
<varlistentry><term><function>builtins.bitOr</function>
<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
<listitem><para>Return the bitwise OR of the integers
<replaceable>e1</replaceable> and
<replaceable>e2</replaceable>.</para></listitem>
</varlistentry>
<varlistentry><term><function>builtins.bitXor</function>
<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
<listitem><para>Return the bitwise XOR of the integers
<replaceable>e1</replaceable> and
<replaceable>e2</replaceable>.</para></listitem>
</varlistentry>
<varlistentry><term><varname>builtins</varname></term>
<listitem><para>The set <varname>builtins</varname> contains all

2
tests/lang/eval-okay-arithmetic.exp
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@ -1 +1 @@
2188
2216

4
tests/lang/eval-okay-arithmetic.nix
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@ -26,6 +26,10 @@ let {
(56088 / 123 / 2)
(3 + 4 * const 5 0 - 6 / id 2)
(builtins.bitAnd 12 10) # 0b1100 & 0b1010 = 8
(builtins.bitOr 12 10) # 0b1100 | 0b1010 = 14
(builtins.bitXor 12 10) # 0b1100 ^ 0b1010 = 6
(if 3 < 7 then 1 else err)
(if 7 < 3 then err else 1)
(if 3 < 3 then err else 1)