From: Matthijs Kooijman <m.kooijman@student.utwente.nl>
Date: Sun, 21 Jun 2009 15:23:13 +0000 (+0200)
Subject: Add is_applicable predicate.
X-Git-Url: https://git.stderr.nl/gitweb?a=commitdiff_plain;ds=sidebyside;h=0273d87f3e6e8790ca7beb5a46bea8d478a89194;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

Add is_applicable predicate.

This predicate should have been committed a few commits before.
---

diff --git a/CoreTools.hs b/CoreTools.hs
index 4cafec1..73904b9 100644
--- a/CoreTools.hs
+++ b/CoreTools.hs
@@ -119,6 +119,11 @@ is_var :: CoreSyn.CoreExpr -> Bool
 is_var (CoreSyn.Var _) = True
 is_var _ = False
 
+-- Can the given core expression be applied to something? This is true for
+-- applying to a value as well as a type.
+is_applicable :: CoreSyn.CoreExpr -> Bool
+is_applicable expr = is_fun expr || is_poly expr
+
 -- Does the given CoreExpr have any free type vars?
 has_free_tyvars :: CoreSyn.CoreExpr -> Bool
 has_free_tyvars = not . VarSet.isEmptyVarSet . (CoreFVs.exprSomeFreeVars Var.isTyVar)