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| author | Ben Blum <bblum@andrew.cmu.edu> | 2012-08-17 15:23:19 -0400 |
|---|---|---|
| committer | Ben Blum <bblum@andrew.cmu.edu> | 2012-08-17 15:34:06 -0400 |
| commit | 89c2a9f4cf2e30af2a21b33055ca368e3076183a (patch) | |
| tree | 268d2246a3b7227302db8f9f58f9e8d564a352cb /src/rustc | |
| parent | 09cf5c1de412d55ac0f082e1dd5b6e52140d3486 (diff) | |
| download | rust-89c2a9f4cf2e30af2a21b33055ca368e3076183a.tar.gz rust-89c2a9f4cf2e30af2a21b33055ca368e3076183a.zip | |
Forbid pattern-matching structs until the next snapshot (#3215)
Diffstat (limited to 'src/rustc')
| -rw-r--r-- | src/rustc/middle/typeck/check/alt.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/rustc/middle/typeck/check/alt.rs b/src/rustc/middle/typeck/check/alt.rs index 6cd6f5f53aa..e1de3215495 100644 --- a/src/rustc/middle/typeck/check/alt.rs +++ b/src/rustc/middle/typeck/check/alt.rs @@ -283,6 +283,8 @@ fn check_pat(pcx: pat_ctxt, pat: @ast::pat, expected: ty::t) { for fields.each |field| { match field_map.find(field.ident) { some(index) => { + tcx.sess.span_err(pat.span, ~"Pattern-matching structs \ + is not allowed (#3215) until the next snapshot."); let class_field = class_fields[index]; let field_type = ty::lookup_field_type(tcx, class_id, |