forked from lix-project/lix
Update documentation for floats.
This commit is contained in:
Christian Theune
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934642155c
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@ -32,7 +32,7 @@ available as <function>builtins.derivation</function>.</para>
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<varlistentry><term><function>builtins.add</function>
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<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
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<listitem><para>Return the sum of the integers
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<listitem><para>Return the sum of the numbers
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<replaceable>e1</replaceable> and
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<replaceable>e2</replaceable>.</para></listitem>
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@ -204,7 +204,7 @@ if builtins ? getEnv then builtins.getEnv "PATH" else ""</programlisting>
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<varlistentry><term><function>builtins.div</function>
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<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
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<listitem><para>Return the quotient of the integers
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<listitem><para>Return the quotient of the numbers
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<replaceable>e1</replaceable> and
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<replaceable>e2</replaceable>.</para></listitem>
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@ -335,7 +335,7 @@ stdenv.mkDerivation {
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</varlistentry>
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<varlistentry><term><function>builtins.foldl’</function>
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<varlistentry><term><function>builtins.foldl’</function>
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<replaceable>op</replaceable> <replaceable>nul</replaceable> <replaceable>list</replaceable></term>
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<listitem><para>Reduce a list by applying a binary operator, from
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@ -602,12 +602,12 @@ x: x + 456</programlisting>
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<varlistentry><term><function>builtins.lessThan</function>
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<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
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<listitem><para>Return <literal>true</literal> if the integer
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<replaceable>e1</replaceable> is less than the integer
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<listitem><para>Return <literal>true</literal> if the number
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<replaceable>e1</replaceable> is less than the number
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<replaceable>e2</replaceable>, and <literal>false</literal>
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otherwise. Evaluation aborts if either
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<replaceable>e1</replaceable> or <replaceable>e2</replaceable>
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does not evaluate to an integer.</para></listitem>
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does not evaluate to a number.</para></listitem>
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</varlistentry>
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@ -658,7 +658,7 @@ map (x: "foo" + x) [ "bar" "bla" "abc" ]</programlisting>
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<varlistentry><term><function>builtins.mul</function>
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<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
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<listitem><para>Return the product of the integers
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<listitem><para>Return the product of the numbers
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<replaceable>e1</replaceable> and
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<replaceable>e2</replaceable>.</para></listitem>
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@ -815,7 +815,7 @@ builtins.sort builtins.lessThan [ 483 249 526 147 42 77 ]
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<varlistentry><term><function>builtins.sub</function>
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<replaceable>e1</replaceable> <replaceable>e2</replaceable></term>
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<listitem><para>Return the difference between the integers
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<listitem><para>Return the difference between the numbers
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<replaceable>e1</replaceable> and
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<replaceable>e2</replaceable>.</para></listitem>
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@ -942,7 +942,7 @@ in foo</programlisting>
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<varlistentry><term><function>builtins.toJSON</function> <replaceable>e</replaceable></term>
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<listitem><para>Return a string containing a JSON representation
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of <replaceable>e</replaceable>. Strings, integers, booleans,
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of <replaceable>e</replaceable>. Strings, integers, floats, booleans,
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nulls and lists are mapped to their JSON equivalents. Sets
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(except derivations) are represented as objects. Derivations are
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translated to a JSON string containing the derivation’s output
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@ -43,7 +43,7 @@ of which specify the inputs of the build.</para>
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<itemizedlist>
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<listitem><para>Strings and integers are just passed
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<listitem><para>Strings and numbers are just passed
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verbatim.</para></listitem>
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<listitem><para>A <emphasis>path</emphasis> (e.g.,
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@ -140,8 +140,13 @@ stdenv.mkDerivation {
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</listitem>
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<listitem><para><emphasis>Integers</emphasis>, e.g.,
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<literal>123</literal>.</para></listitem>
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<listitem><para>Numbers, which can be <emphasis>integers</emphasis> (like
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<literal>123</literal>) or <emphasis>floating point</emphasis> (like
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<literal>123.43</literal> or <literal>.27e13</literal>).</para>
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<para>Numbers are type-compatible: pure integer operations will always
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return integers, whereas any operation involving at least one floating point
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number will have a floating point number as a result.</para></listitem>
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<listitem><para><emphasis>Paths</emphasis>, e.g.,
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<filename>/bin/sh</filename> or <filename>./builder.sh</filename>.
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@ -10,6 +10,13 @@
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features:</para>
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<itemizedlist>
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<listitem>
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<para>The Nix language now supports floating point numbers. They are
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based on regular C++ <literal>float</literal> and compatible with
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existing integers and number-related operations. Export and import to and
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from JSON and XML works, too.
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</para>
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</listitem>
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<listitem>
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<para>All "chroot"-containing strings got renamed to "sandbox".
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In particular, some nix options got renamed, but the old names
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