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properly report deterministically successful queries

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This commit is contained in:
Mark Thom
2019-02-22 19:38:49 -07:00
parent 6ba47b6b08
commit 0f01d37618
1 changed files with 5 additions and 2 deletions
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7
src/prolog/write.rs
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@@ -365,9 +365,12 @@ fn next_step(mut stdout: RawTerminal<std::io::Stdout>) -> ContinueResult
pub fn print(wam: &mut Machine, result: EvalSession) { pub fn print(wam: &mut Machine, result: EvalSession) {
match result { match result {
EvalSession::InitialQuerySuccess(alloc_locs, mut heap_locs) => { EvalSession::InitialQuerySuccess(alloc_locs, mut heap_locs) => {
if wam.or_stack_is_empty() && heap_locs.is_empty() { if wam.or_stack_is_empty() {
println!("true."); println!("true.");
return;
if heap_locs.is_empty() {
return;
}
} }
if !wam.or_stack_is_empty() { if !wam.or_stack_is_empty() {