goroutine 1 [running]: github.com/aswinkarthik/csvdiff/pkg/digest.Positions.String({0xc0000cc400, 0xa, 0xc0000ac0a0?}, {0x0, 0x0, 0xc0001157a8?}, 0x2c) github.com/aswinkarthik/csvdiff/pkg/digest/positions.go:35 +0x2c5 github.com/aswinkarthik/csvdiff/cmd.(*Formatter).lineDiff(...