update README and code comments

Author: hipertracker

README.md

@@ -2,10 +2,10 @@
 
 Example of words extracting in Go, Crystal, Rust and Python
 
-Text source: 79.4MB in 20 files
+Text source: 79.4MB in 30 files
 
 - Python 3.9.5 with sorting: 11s, without sorting 10s
-- Go 1.16.3 with sorting: 30s, without sorting: 20s
+- Go 1.16.3 with sorting: 21s, without sorting: 11s
 - Rust 1.51.0 with sorting: 1m31s, without sorting: 1m10s
 - Crystal 1.0.0 with sorting: 2m55s, without sorting: 27s
 
@@ -19,7 +19,7 @@ cd words_extractor_rs
 cargo run
 
 cd words_extractor_go
-go run .
+make run
 
 cd words_extractor_cr
 crystal run src/fast_words_cr.cr

words_extractor_go/main.go

@@ -34,7 +34,7 @@ func main() {
 
 		// extract and sort unique words
 		words := extractUniqueWords(content)
-		words = sortWords(words, "POLISH_CI")
+		// words = sortWords(words, "POLISH_CI")
 
 		text := strings.Join(words, "\n")
 		for err := ioutil.WriteFile(outfilepath, []byte(text), 0644); err != nil; {

words_extractor_go/main_test.go

@@ -10,12 +10,12 @@ func Test_extractUniqueWords(t *testing.T) {
 	text := "ćma cześć ser. śmiech!żółw zebra-łuk len Ćma Żółw ser"
 	expected := []string{"ćma", "cześć", "ser", "śmiech", "żółw", "zebra", "łuk", "len"}
 	given := extractUniqueWords([]byte(text))
-	assert.Equal(t, expected, given, "text should be extracted into unique words")
+	assert.Equal(t, expected, given, "text should be tokenized into unique words")
 }
 
 func Test_sortWords(t *testing.T) {
 	words := []string{"ćma", "cześć", "ser", "śmiech", "żółw", "zebra", "łuk", "len"}
 	expected := []string{"cześć", "ćma", "len", "łuk", "ser", "śmiech", "zebra", "żółw"}
 	given := sortWords(words, "POLISH_CI")
-	assert.Equal(t, expected, given, "words should be sorted using Polish grammar rule")
+	assert.Equal(t, expected, given, "words should be sorted out using Polish grammar rules")
 }