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authorOrivej Desh <orivej@gmx.fr>2017-10-26T18·50+0000
committerOrivej Desh <orivej@gmx.fr>2017-10-26T18·53+0000
commit15457c56731537e0d424d5feb3f3fcacba39b99b (patch)
treeda4edca8ca35cc8f85cc96e28a6ae0a156d06f93 /doc/manual/expressions/language-constructs.xml
parente5c499b833a329876649f7efc1cbdc7b9a64092c (diff)
Describe "with" scoping precedence
Diffstat (limited to 'doc/manual/expressions/language-constructs.xml')
-rw-r--r--doc/manual/expressions/language-constructs.xml15
1 files changed, 14 insertions, 1 deletions
diff --git a/doc/manual/expressions/language-constructs.xml b/doc/manual/expressions/language-constructs.xml
index fe69dba837a1..2f0027d479cd 100644
--- a/doc/manual/expressions/language-constructs.xml
+++ b/doc/manual/expressions/language-constructs.xml
@@ -333,7 +333,20 @@ with (import ./definitions.nix); ...</programlisting>
 
 makes all attributes defined in the file
 <filename>definitions.nix</filename> available as if they were defined
-locally in a <literal>rec</literal>-expression.</para>
+locally in a <literal>let</literal>-expression.</para>
+
+<para>The bindings introduced by <literal>with</literal> do not shadow bindings
+introduced by other means, e.g.
+
+<programlisting>
+let a = 3; in with { a = 1; }; let a = 4; in with { a = 2; }; ...</programlisting>
+
+establishes the same scope as
+
+<programlisting>
+let a = 1; in let a = 2; in let a = 3; in let a = 4; in ...</programlisting>
+
+</para>
 
 </simplesect>