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fix(kernel/justification): none is the unit of mk_composite

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2014-02-22 11:47:22 -08:00
parent 3c6002e969
commit 4c30ea9251
1 changed files with 8 additions and 0 deletions
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8
src/kernel/justification.cpp
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@ -215,9 +215,17 @@ format justification::pp(formatter const & fmt, options const & opts, pos_info_p
}
justification mk_composite(justification const & j1, justification const & j2, pp_jst_fn const & fn, optional<expr> const & s) {
if (j1.is_none())
return j2;
if (j2.is_none())
return j1;
return justification(new ext_composite_cell(j1, j2, fn, s));
}
justification mk_composite1(justification const & j1, justification const & j2) {
if (j1.is_none())
return j2;
if (j2.is_none())
return j1;
return justification(new composite_cell(j1, j2));
}
justification mk_assumption_justification(unsigned idx, pp_jst_fn const & fn, optional<expr> const & s) {