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Author SHA1 Message Date
Eelco Dolstra 0d80d237c5 * Add figures to make install' / make dist'. 2004-10-31 16:13:25 +00:00
Eelco Dolstra 37d7abd694 * New language feature: with expressions. 
The expression `with E1; E2' evaluates to E2 with all bindings in
  the attribute set E1 substituted.  E.g.,

    with {x = 123;}; x

  evaluates to 123.  That is, the attribute set E1 is in scope in E2.

  This is particularly useful when importing files containing lots
  definitions.  E.g., instead of

    let {
      inherit (import ./foo.nix) a b c d e f;

      body = ... a ... f ...;
    }

  we can now say

    with import ./foo.nix;

    ... a ... f ...

  I.e., we don't have to say what variables should be brought into scope.
 2004-10-25 16:54:56 +00:00
Eelco Dolstra 2cd590d96c * Instead of — use the actual Unicode character. By the way, to 
edit the manual, you should have something like

    (modify-coding-system-alist 'file "\\.xml\\>" 'utf-8)

  in your ~/.emacs.
 2004-10-18 12:22:14 +00:00
Eelco Dolstra 692204e0c5 * Rewrite of package management stuff. 2004-10-14 16:43:09 +00:00
Eelco Dolstra febd8bed1b * Split overview chapter into a chapter on package management and a 
chapter on writing Nix expressions.
 2004-10-14 11:55:12 +00:00