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| author | Michael Sullivan <sully@msully.net> | 2013-07-11 15:08:31 -0700 |
|---|---|---|
| committer | Michael Sullivan <sully@msully.net> | 2013-07-11 15:51:09 -0700 |
| commit | 052c482bbd87acc7ee824b6b8d2efb36c5b9917e (patch) | |
| tree | ebf74b7db8721f34326d6b227d824a35d3ae9830 | |
| parent | f92b75ac06a86daac8d230285b605ec2ed97214b (diff) | |
| download | rust-052c482bbd87acc7ee824b6b8d2efb36c5b9917e.tar.gz rust-052c482bbd87acc7ee824b6b8d2efb36c5b9917e.zip | |
Improve the error messages for mismatched numbers of type params.
| -rw-r--r-- | src/librustc/middle/typeck/check/mod.rs | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/librustc/middle/typeck/check/mod.rs b/src/librustc/middle/typeck/check/mod.rs index 5c8ce6b2d8b..4caf0b62a54 100644 --- a/src/librustc/middle/typeck/check/mod.rs +++ b/src/librustc/middle/typeck/check/mod.rs @@ -3327,11 +3327,15 @@ pub fn instantiate_path(fcx: @mut FnCtxt, fcx.infcx().next_ty_vars(ty_param_count) } else if ty_substs_len > ty_param_count { fcx.ccx.tcx.sess.span_err - (span, "too many type parameters provided for this item"); + (span, + fmt!("too many type parameters provided: expected %u, found %u", + ty_param_count, ty_substs_len)); fcx.infcx().next_ty_vars(ty_param_count) } else if ty_substs_len < ty_param_count { fcx.ccx.tcx.sess.span_err - (span, "not enough type parameters provided for this item"); + (span, + fmt!("not enough type parameters provided: expected %u, found %u", + ty_param_count, ty_substs_len)); fcx.infcx().next_ty_vars(ty_param_count) } else { pth.types.map(|aty| fcx.to_ty(aty)) |