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| author | Edward Z. Yang <ezyang@cs.stanford.edu> | 2014-08-11 18:40:13 +0100 |
|---|---|---|
| committer | Edward Z. Yang <ezyang@cs.stanford.edu> | 2014-11-18 17:41:08 -0800 |
| commit | 7c748d9fcf12bd16e0de56187fa6fcf3d6dbf39a (patch) | |
| tree | 88339e0a7bed26792a66a8903216f75525d5788e /docs | |
| parent | 1019e3c6f90e32785c6a75726282b7362e921047 (diff) | |
| download | haskell-7c748d9fcf12bd16e0de56187fa6fcf3d6dbf39a.tar.gz | |
Support for "with" renaming syntax, and output a feature flag.
Summary:
- Feature flag indicates to Cabal that we support thinning and renaming as
it needs.
- Support -package "base with (Foo as Bar)" which brings the ordinary
modules into scope, as well as adding the renamings to scope.
Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Test Plan: validate
Reviewers: simonpj, austin
Subscribers: thomie, carter
Differential Revision: https://phabricator.haskell.org/D485
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/users_guide/packages.xml | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/docs/users_guide/packages.xml b/docs/users_guide/packages.xml index 7a4734d224..15ce719939 100644 --- a/docs/users_guide/packages.xml +++ b/docs/users_guide/packages.xml @@ -390,13 +390,14 @@ _ZCMain_main_closure parenthesized, comma-separated list of module names to import. For example, <literal>-package "base (Data.List, Data.Bool)"</literal> makes only <literal>Data.List</literal> and <literal>Data.Bool</literal> visible from - package <literal>base</literal>. - We also support renaming of modules, in case you need to refer to both modules - simultaneously; this is supporting by writing <literal>OldModName as - NewModName</literal>, e.g. <literal>-package "base (Data.Bool as - Bool)</literal>. It's important to specify quotes - so that your shell passes the package name and thinning/renaming list as a - single argument to GHC.</para> + package <literal>base</literal>. We also support renaming of modules, in case + you need to refer to both modules simultaneously; this is supporting by + writing <literal>OldModName as NewModName</literal>, e.g. <literal>-package + "base (Data.Bool as Bool)</literal>. You can also write <literal>-package + "base with (Data.Bool as Bool)</literal> to include all of the original + bindings (e.g. the renaming is strictly additive). It's important to specify + quotes so that your shell passes the package name and thinning/renaming list + as a single argument to GHC.</para> <para>Package imports with thinning/renaming do not hide other versions of the package: e.g. if containers-0.9 is already exposed, <literal>-package |