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diff kitten: Dont panic for empty changesets

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Kovid Goyal 2023-09-09 18:35:32 +05:30
parent bfc15cfc3f
commit eb51d459ae
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1 changed files with 8 additions and 1 deletions
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9
kittens/diff/render.go
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@ -752,7 +752,14 @@ func render(collection *Collection, diff_map map[string]*Patch, screen_size scre
}
return nil
})
return &LogicalLines{lines: utils.IfElse(len(ans) > 0, ans[:len(ans)-1], []*LogicalLine{}), margin_size: margin_size, columns: columns}, err
var ll []*LogicalLine
if len(ans) > 1 {
ll = ans[:len(ans)-1]
} else {
// Having am empty list of lines causes panics later on
ll = []*LogicalLine{{line_type: EMPTY_LINE, screen_lines: []*ScreenLine{{}}}}
}
return &LogicalLines{lines: ll, margin_size: margin_size, columns: columns}, err
}
func (self *LogicalLines) num_of_screen_lines() (ans int) {