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perf(library/blast/forward/pattern): simplify is_higher_order test

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Leonardo de Moura 2016-02-02 18:56:48 -08:00
parent a7b3dcbc09
commit 701d6b5016
1 changed files with 2 additions and 1 deletions
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3
src/library/blast/forward/pattern.cpp
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@ -192,7 +192,8 @@ namespace blast {
typedef rb_tree<unsigned, unsigned_cmp> idx_metavar_set;
static bool is_higher_order(tmp_type_context & ctx, expr const & e) {
return is_pi(ctx.relaxed_whnf(ctx.infer(e)));
/* Remark: it is too expensive to use ctx.relaxed_whnf here. */
return is_pi(ctx.whnf(ctx.infer(e)));
}
/** \brief Given type of the form (Pi (a_1 : A_1) ... (a_n : A_n), B) (or reducible to something of this form),