small code refactor

posseg/posseg.go

@@ -186,7 +186,9 @@ func (seg *Segmenter) cutDAG(sentence string) <-chan Segment {
 			frag := runes[x:y]
 			if y-x == 1 {
 				buf = append(buf, frag...)
-			} else {
+				x = y
+				continue
+			}
 			if len(buf) > 0 {
 				bufString := string(buf)
 				if len(buf) == 1 {
@@ -196,7 +198,8 @@ func (seg *Segmenter) cutDAG(sentence string) <-chan Segment {
 						result <- Segment{bufString, "x"}
 					}
 					buf = make([]rune, 0)
-					} else {
+					continue
+				}
 				if v, ok := seg.dict.Frequency(bufString); !ok || v == 0.0 {
 					for t := range seg.cutDetail(bufString) {
 						result <- t
@@ -214,14 +217,12 @@ func (seg *Segmenter) cutDAG(sentence string) <-chan Segment {
 				}
 				buf = make([]rune, 0)
 			}
-				}
 			word := string(frag)
 			if tag, ok := seg.dict.Pos(word); ok {
 				result <- Segment{word, tag}
 			} else {
 				result <- Segment{word, "x"}
 			}
-			}
 			x = y
 		}
 
@@ -270,7 +271,8 @@ func (seg *Segmenter) cutDAGNoHMM(sentence string) <-chan Segment {
 			if reEng1.MatchString(string(frag)) && len(frag) == 1 {
 				buf = append(buf, frag...)
 				x = y
-			} else {
+				continue
+			}
 			if len(buf) > 0 {
 				result <- Segment{string(buf), "eng"}
 				buf = make([]rune, 0)
@@ -282,7 +284,7 @@ func (seg *Segmenter) cutDAGNoHMM(sentence string) <-chan Segment {
 				result <- Segment{word, "x"}
 			}
 			x = y
-			}
+
 		}
 		if len(buf) > 0 {
 			result <- Segment{string(buf), "eng"}
@@ -309,11 +311,13 @@ func (seg *Segmenter) Cut(sentence string, hmm bool) <-chan Segment {
 				for wordTag := range cut(blk) {
 					result <- wordTag
 				}
-			} else {
+				continue
+			}
 			for _, x := range util.RegexpSplit(reSkipInternal, blk, -1) {
 				if reSkipInternal.MatchString(x) {
 					result <- Segment{x, "x"}
-					} else {
+					continue
+				}
 				for _, xx := range x {
 					s := string(xx)
 					switch {
@@ -327,8 +331,6 @@ func (seg *Segmenter) Cut(sentence string, hmm bool) <-chan Segment {
 				}
 			}
 		}
-			}
-		}
 		close(result)
 	}()
 	return result