fix bug to avoid out of range error. (#22)

xuxinkun · tamalsaha · commit 7f760186a63d · 2019-11-17T02:32:57.000-08:00
diff --git a/jsonpatch.go b/jsonpatch.go
@@ -326,7 +326,7 @@ func backtrace(s, t []interface{}, p string, i int, j int, matrix [][]int) []Ope
 			return append([]Operation{op}, backtrace(s, t, p, i-1, j-1, matrix)...)
 		}
 
-		p2, _ := handleValues(s[j-1], t[j-1], makePath(p, i-1), []Operation{})
+		p2, _ := handleValues(s[i-1], t[j-1], makePath(p, i-1), []Operation{})
 		return append(p2, backtrace(s, t, p, i-1, j-1, matrix)...)
 	}
 	if i > 0 && j > 0 && matrix[i-1][j-1] == matrix[i][j] {

Original file line number	Diff line number	Diff line change
`@@ -326,7 +326,7 @@ func backtrace(s, t []interface{}, p string, i int, j int, matrix [][]int) []Ope`
`326`	`326`	`return append([]Operation{op}, backtrace(s, t, p, i-1, j-1, matrix)...)`
`327`	`327`	`}`
`328`	`328`
`329`		`- p2, _ := handleValues(s[j-1], t[j-1], makePath(p, i-1), []Operation{})`
	`329`	`+ p2, _ := handleValues(s[i-1], t[j-1], makePath(p, i-1), []Operation{})`
`330`	`330`	`return append(p2, backtrace(s, t, p, i-1, j-1, matrix)...)`
`331`	`331`	`}`
`332`	`332`	`if i > 0 && j > 0 && matrix[i-1][j-1] == matrix[i][j] {`