fix fmt error

Author: xlj

117-Slices/slices-01.gop

@@ -15,4 +15,4 @@ println nums[:2]  // [1 2]
 println nums[2:]  // [3]
 
 nums[1] = 5
-println nums // [1 5 3]
+println nums // [1 5 3]

117-Slices/slices-05.gop

@@ -1,24 +1,23 @@
 # Slice defaults
 // When slicing, you may omit the high or low bounds to use their defaults instead.
-// 
+//
 // The default is zero for the low bound and the length of the slice for the high bound.
-// <pre>
+//<pre>
 // For the array
 // var a [10]int
 // these slice expressions are equivalent:
 // a[0:10]
 // a[:10]
 // a[0:]
 // a[:]
-// </pre>
-
+//</pre>
 s := []int{2, 3, 5, 7, 11, 13}
 
+s = s[1:]
+println s
+
 s = s[1:4]
 println s
 
 s = s[:2]
 println s
-
-s = s[1:]
-println s

117-Slices/slices-06.gop

@@ -16,7 +16,6 @@ func printSlice(s []int) {
 s := []int{2, 3, 5, 7, 11, 13}
 printSlice s
 
-
 s = s[:0] // Slice the slice to give it zero length.
 printSlice s
 

117-Slices/slices-07.gop

@@ -1,9 +1,12 @@
 # Nil slices
 // The zero value of a slice is nil.
+//
 // A nil slice has a length and capacity of 0 and has no underlying array.
 
 var s []int
+
 println s, len(s), cap(s)
+
 if s == nil {
 	println "nil!"
-}
+}

117-Slices/slices-08.gop

@@ -26,4 +26,4 @@ c := b[:2]
 printSlice "c", c
 
 d := c[2:5]
-printSlice "d", d
+printSlice "d", d

117-Slices/slices-10.gop

@@ -1,6 +1,6 @@
 # Appending to a slice
 // It is common to append new elements to a slice, and so Go provides a built-in append function. The documentation of the built-in package describes append.
-// 
+//
 // func append(s []T, vs ...T) []T
 //
 // The first parameter s of append is a slice of type T, and the rest are T values to append to the slice.
@@ -10,7 +10,7 @@
 // If the backing array of s is too small to fit all the given values a bigger array will be allocated. The returned slice will point to the newly allocated array.
 
 func printSlice(s []int) {
-	printf "len=%d cap=%d %v\n", len(s), cap(s), s
+	printf "len = %d cap = %d %v\n", len(s), cap(s), s
 }
 
 var s []int
@@ -24,4 +24,4 @@ s = append(s, 1) // The slice grows as needed.
 printSlice s
 
 s = append(s, 2, 3, 4) // We can add more than one element at a time.
-printSlice s
+printSlice s