Merge branch 'master' of github.com:tantivy-search/tantivy

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,19 @@
+---
+name: Bug report
+about: Create a report to help us improve
+
+---
+
+**Describe the bug**
+- What did you do?
+- What happened?
+- What was expected?
+
+**Which version of tantivy are you using?**
+If "master",  ideally give the specific sha1 revision.
+
+**To Reproduce**
+
+If your bug is deterministic, can you give a minimal reproducing code?
+Some bugs are not deterministic. Can you describe with precision in which context it happened?
+If this is possible, can you share your code?

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,14 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**[Optional] describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,7 @@
+---
+name: Question
+about: Ask any question about tantivy's usage...
+
+---
+
+Try to be specific about your use case...

src/tokenizer/stop_word_filter.rs

@@ -39,6 +39,16 @@ impl StopWordFilter {
 
         StopWordFilter { words: set }
     }
+
+    fn english() -> StopWordFilter {
+        let words: [&'static str; 33] = [
+            "a", "an", "and", "are", "as", "at", "be", "but", "by", "for", "if", "in", "into",
+            "is", "it", "no", "not", "of", "on", "or", "such", "that", "the", "their", "then",
+            "there", "these", "they", "this", "to", "was", "will", "with",
+        ];
+
+        StopWordFilter::remove(words.iter().map(|s| s.to_string()).collect())
+    }
 }
 
 pub struct StopWordFilterStream<TailTokenStream>
@@ -98,3 +108,9 @@ where
         false
     }
 }
+
+impl Default for StopWordFilter {
+    fn default() -> StopWordFilter {
+        StopWordFilter::english()
+    }
+}

src/tokenizer/tokenizer_manager.rs

@@ -8,6 +8,7 @@ use tokenizer::RawTokenizer;
 use tokenizer::RemoveLongFilter;
 use tokenizer::SimpleTokenizer;
 use tokenizer::Stemmer;
+use tokenizer::StopWordFilter;
 use tokenizer::Tokenizer;
 
 /// The tokenizer manager serves as a store for