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Fix small bug in Remove function in buffer

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This commit is contained in:
Zachary Yedidia 2016-05-17 19:57:16 -04:00
parent 94d2bc3cb0
commit d7b61ecfa8
1 changed files with 4 additions and 0 deletions
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4
cmd/micro/buffer.go
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@ -101,6 +101,9 @@ func (b *Buffer) Remove(start, end int) string {
if end > b.Len() { if end > b.Len() {
end = b.Len() end = b.Len()
} }
if start == end {
return ""
}
removed := b.Substr(start, end) removed := b.Substr(start, end)
// The rope implenentation I am using wants indicies starting at 1 instead of 0 // The rope implenentation I am using wants indicies starting at 1 instead of 0
start++ start++
@ -110,6 +113,7 @@ func (b *Buffer) Remove(start, end int) string {
return removed return removed
} }
// Substr returns the substring of the rope from start to end
func (b *Buffer) Substr(start, end int) string { func (b *Buffer) Substr(start, end int) string {
return b.r.Substr(start+1, end-start).String() return b.r.Substr(start+1, end-start).String()
} }