Merge pull request #338 from dvrkps/master

Clean go vet error and ineffassign warnings.

Author: taowen

example_test.go

@@ -95,7 +95,7 @@ func ExampleGet() {
 	// Crimson
 }
 
-func ExampleMapKey() {
+func ExampleMyKey() {
 	hello := MyKey("hello")
 	output, _ := Marshal(map[*MyKey]string{&hello: "world"})
 	fmt.Println(string(output))

iter_float.go

@@ -77,14 +77,12 @@ func (iter *Iterator) ReadFloat32() (ret float32) {
 }
 
 func (iter *Iterator) readPositiveFloat32() (ret float32) {
-	value := uint64(0)
-	c := byte(' ')
 	i := iter.head
 	// first char
 	if i == iter.tail {
 		return iter.readFloat32SlowPath()
 	}
-	c = iter.buf[i]
+	c := iter.buf[i]
 	i++
 	ind := floatDigits[c]
 	switch ind {
@@ -107,7 +105,7 @@ func (iter *Iterator) readPositiveFloat32() (ret float32) {
 			return
 		}
 	}
-	value = uint64(ind)
+	value := uint64(ind)
 	// chars before dot
 non_decimal_loop:
 	for ; i < iter.tail; i++ {
@@ -216,14 +214,12 @@ func (iter *Iterator) ReadFloat64() (ret float64) {
 }
 
 func (iter *Iterator) readPositiveFloat64() (ret float64) {
-	value := uint64(0)
-	c := byte(' ')
 	i := iter.head
 	// first char
 	if i == iter.tail {
 		return iter.readFloat64SlowPath()
 	}
-	c = iter.buf[i]
+	c := iter.buf[i]
 	i++
 	ind := floatDigits[c]
 	switch ind {
@@ -246,7 +242,7 @@ func (iter *Iterator) readPositiveFloat64() (ret float64) {
 			return
 		}
 	}
-	value = uint64(ind)
+	value := uint64(ind)
 	// chars before dot
 non_decimal_loop:
 	for ; i < iter.tail; i++ {