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Improve type error message for non-constructor in pattern

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This commit is contained in:
Tim Chevalier 2011-06-01 18:15:12 -07:00
parent 1402cd101b
commit 24c9d7e5f8
1 changed files with 2 additions and 2 deletions
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4
src/comp/middle/typeck.rs
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@ -1128,8 +1128,8 @@ fn pushdown_pat(&@stmt_ctxt scx, &ty::t expected, &@ast::pat pat) {
alt (struct(scx.fcx.ccx.tcx, expected)) {
case (ty::ty_tag(_, ?tps)) { tag_tps = tps; }
case (_) {
log_err "tag pattern type not actually a tag?!";
fail;
scx.fcx.ccx.tcx.sess.span_err(pat.span,
"Non-constructor used in a pattern");
}
}