about summary refs log tree commit diff
path: root/src/comp/syntax
diff options
context:
space:
mode:
authorMarijn Haverbeke <marijnh@gmail.com>2012-02-22 16:57:23 +0100
committerMarijn Haverbeke <marijnh@gmail.com>2012-02-22 16:57:23 +0100
commitcb2f43cbf4332ffe90b8963f1bdbaa85febe1b92 (patch)
treea21b8f284989f9a3fc19fbbff8f971741b2b14d3 /src/comp/syntax
parenta3b655f8e3f1a9e84cd6dd4a1d1d2525d7fac7e7 (diff)
downloadrust-cb2f43cbf4332ffe90b8963f1bdbaa85febe1b92.tar.gz
rust-cb2f43cbf4332ffe90b8963f1bdbaa85febe1b92.zip
Stop normalizing patterns
The check for whether a pat_ident is a variant or a binding
is simple and fast. Normalizing patterns again and again is
slow and error-prone (several places were forgetting to do it).
Diffstat (limited to 'src/comp/syntax')
-rw-r--r--src/comp/syntax/ast.rs3
1 files changed, 0 insertions, 3 deletions
diff --git a/src/comp/syntax/ast.rs b/src/comp/syntax/ast.rs
index a76b6f9919f..262eac3ca01 100644
--- a/src/comp/syntax/ast.rs
+++ b/src/comp/syntax/ast.rs
@@ -108,9 +108,6 @@ enum pat_ {
     // which it is. The resolver determines this, and
     // records this pattern's node_id in an auxiliary
     // set (of "pat_idents that refer to nullary enums")
-    // After the resolution phase, code should never pattern-
-    // match on a pat directly! Always call pat_util::normalize_pat --
-    // it turns any pat_idents that refer to nullary enums into pat_enums.
     pat_ident(@path, option<@pat>),
     pat_enum(@path, [@pat]),
     pat_rec([field_pat], bool),