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diff: remove some empty ins/del instructions

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This commit is contained in:
mappu 2017-07-11 18:07:55 +12:00
parent 7c0a7af05f
commit 1938e659ab
1 changed files with 8 additions and 2 deletions
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10
diff/diff.go
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@ -49,6 +49,12 @@ func Diff(o, n []string) []Instruction {
if len(o) == 0 && len(n) == 0 {
return []Instruction{}
}
if len(o) == 0 {
return []Instruction{{OP_INSERTED, n}}
}
if len(n) == 0 {
return []Instruction{{OP_REMOVED, o}}
}
maxl := 0
omax := 0
@ -79,8 +85,8 @@ func Diff(o, n []string) []Instruction {
if maxl == 0 {
return []Instruction{
Instruction{OP_REMOVED, o},
Instruction{OP_INSERTED, n},
{OP_REMOVED, o},
{OP_INSERTED, n},
}
}