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In Nixpkgs, the attribute in all-packages.nix corresponding to a
package is usually equal to the package name. However, this doesn't
work if the package contains a dash, which is fairly common. The
convention is to replace the dash with an underscore (e.g. "dbus-lib"
becomes "dbus_glib"), but that's annoying. So now dashes are valid in
variable / attribute names, allowing you to write:
dbus-glib = callPackage ../development/libraries/dbus-glib { };
and
buildInputs = [ dbus-glib ];
Since we don't have a negation or subtraction operation in Nix, this
is unambiguous.
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| .. | ||
| attr-path.cc | ||
| attr-path.hh | ||
| common-opts.cc | ||
| common-opts.hh | ||
| eval-inline.hh | ||
| eval.cc | ||
| eval.hh | ||
| get-drvs.cc | ||
| get-drvs.hh | ||
| lexer.l | ||
| Makefile.am | ||
| names.cc | ||
| names.hh | ||
| nix.sdf | ||
| nixexpr.cc | ||
| nixexpr.hh | ||
| parser.y | ||
| primops.cc | ||
| symbol-table.hh | ||
| value-to-xml.cc | ||
| value-to-xml.hh | ||
| value.hh | ||