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| author |  Adam Chlipala <adamc@hcoop.net> | 2008-11-06 19:43:48 -0500 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2008-11-06 19:43:48 -0500 |
| commit | 50e456effc2cad22d6a61e08887816096c427658 (patch) | |
| tree | 36109508292ec57f01529ab31699ed8837d3f0c8 /src/elab_env.sml | |
| parent | 3af6c283c504e7e85d9e127f64a5eb72abe583ee (diff) | |
Tree demo working (and other assorted regressions fixed)
Diffstat (limited to 'src/elab_env.sml')
| -rw-r--r-- | src/elab_env.sml | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/elab_env.sml b/src/elab_env.sml index 46f62727..05da56db 100644 --- a/src/elab_env.sml +++ b/src/elab_env.sml @@ -542,6 +542,9 @@ fun lookupENamed (env : env) n = NONE => raise UnboundNamed n | SOME x => x +fun checkENamed (env : env) n = + Option.isSome (IM.find (#namedE env, n)) + fun lookupE (env : env) x = case SM.find (#renameE env, x) of NONE => NotBound |