diff options
Diffstat (limited to 'doc/manual/expressions/builtins.xml')
-rw-r--r-- | doc/manual/expressions/builtins.xml | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/doc/manual/expressions/builtins.xml b/doc/manual/expressions/builtins.xml index 6bdfdd55c4b6..cb987ca02772 100644 --- a/doc/manual/expressions/builtins.xml +++ b/doc/manual/expressions/builtins.xml @@ -39,6 +39,28 @@ available as <function>builtins.derivation</function>.</para> </varlistentry> + <varlistentry><term><function>builtins.all</function> + <replaceable>pred</replaceable> <replaceable>list</replaceable></term> + + <listitem><para>Return <literal>true</literal> if the function + <replaceable>pred</replaceable> returns <literal>true</literal> + for all elements of <replaceable>list</replaceable>, + and <literal>false</literal> otherwise.</para></listitem> + + </varlistentry> + + + <varlistentry><term><function>builtins.any</function> + <replaceable>pred</replaceable> <replaceable>list</replaceable></term> + + <listitem><para>Return <literal>true</literal> if the function + <replaceable>pred</replaceable> returns <literal>true</literal> + for at least one element of <replaceable>list</replaceable>, + and <literal>false</literal> otherwise.</para></listitem> + + </varlistentry> + + <varlistentry><term><function>builtins.attrNames</function> <replaceable>set</replaceable></term> @@ -313,6 +335,19 @@ stdenv.mkDerivation { </varlistentry> + <varlistentry><term><function>builtins.foldl’</function> + <replaceable>op</replaceable> <replaceable>nul</replaceable> <replaceable>list</replaceable></term> + + <listitem><para>Reduce a list by applying a binary operator, from + left to right, e.g. <literal>foldl’ op nul [x0 x1 x2 ...] = op (op + (op nul x0) x1) x2) ...</literal>. The operator is applied + strictly, i.e., its arguments are evaluated first. For example, + <literal>foldl’ (x: y: x + y) 0 [1 2 3]</literal> evaluates to + 6.</para></listitem> + + </varlistentry> + + <varlistentry><term><function>builtins.fromJSON</function> <replaceable>e</replaceable></term> <listitem><para>Convert a JSON string to a Nix |