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author | Jesse Duffield <jessedduffield@gmail.com> | 2019-11-16 16:20:05 +1100 |
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committer | Jesse Duffield <jessedduffield@gmail.com> | 2019-11-21 22:07:14 +1100 |
commit | 92e43d9e7776cd2e1796bf280756c6ffa7c8dbe2 (patch) | |
tree | ac3b7ee152e6b8cde6268d8c329334041cfe0d97 /pkg/utils | |
parent | 325408d0e3db8e1b7d0b6915986f1a684ee8b257 (diff) |
allow changing tabs with [ and ]
Diffstat (limited to 'pkg/utils')
-rw-r--r-- | pkg/utils/utils.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go index bf69fd30e..26d1b9021 100644 --- a/pkg/utils/utils.go +++ b/pkg/utils/utils.go @@ -299,3 +299,14 @@ func DifferenceInt(a, b []int) []int { } return result } + +// used to keep a number n between 0 and max, allowing for wraparounds +func ModuloWithWrap(n, max int) int { + if n >= max { + return n % max + } else if n < 0 { + return max + n + } else { + return n + } +} |