GO by example, part 5

5-go-by-example/47-string-functions.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"fmt"
+	s "strings"
+)
+
+// alias fmt.Println to a shorter name
+var p = fmt.Println
+
+// standard library’s strings package provides many useful string-related functions
+func main() {
+	// sample of the functions available in strings
+	p("Contains:  ", s.Contains("test", "es"))
+	p("Count:     ", s.Count("test", "t"))
+	p("HasPrefix: ", s.HasPrefix("test", "te"))
+	p("HasSuffix: ", s.HasSuffix("test", "st"))
+	p("Index:     ", s.Index("test", "e"))
+	p("Join:      ", s.Join([]string{"a", "b"}, "-"))
+	p("Repeat:    ", s.Repeat("a", 5))
+	p("Replace:   ", s.Replace("foo", "o", "0", -1))
+	p("Replace:   ", s.Replace("foo", "o", "0", 1))
+	p("Split:     ", s.Split("a-b-c-d-e", "-"))
+	p("ToLower:   ", s.ToLower("TEST"))
+	p("ToUpper:   ", s.ToUpper("test"))
+	p()
+
+	// not part of strings
+	p("Len: ", len("hello"))
+	p("Char:", "hello"[1])
+}