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Minor optimizations

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This commit is contained in:
Zachary Yedidia
2018-01-29 16:02:15 -05:00
parent fddf1690e3
commit 015fcf5fec
5 changed files with 42 additions and 8 deletions
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5
cmd/micro/lineArray.go
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@@ -89,7 +89,6 @@ func NewLineArray(size int64, reader io.Reader) *LineArray {
if n >= 1000 && loaded >= 0 {
totalLinesNum := int(float64(size) * (float64(n) / float64(loaded)))
newSlice := make([]Line, len(la.lines), totalLinesNum+10000)
// The copy function is predeclared and works for any slice type.
copy(newSlice, la.lines)
la.lines = newSlice
loaded = -1
@@ -147,9 +146,9 @@ func (la *LineArray) SaveString(useCrlf bool) string {
// NewlineBelow adds a newline below the given line number
func (la *LineArray) NewlineBelow(y int) {
la.lines = append(la.lines, Line{[]byte(" "), nil, nil, false})
la.lines = append(la.lines, Line{[]byte{' '}, nil, nil, false})
copy(la.lines[y+2:], la.lines[y+1:])
la.lines[y+1] = Line{[]byte(""), la.lines[y].state, nil, false}
la.lines[y+1] = Line{[]byte{}, la.lines[y].state, nil, false}
}
// inserts a byte array at a given location