diff options
| -rw-r--r-- | lib/system.nim | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/system.nim b/lib/system.nim index 2fb08563a..a0c9e66d5 100644 --- a/lib/system.nim +++ b/lib/system.nim @@ -1052,7 +1052,7 @@ proc add *[T](x: var seq[T], y: openArray[T]) {.noSideEffect.} = ## containers should also call their adding proc `add` for consistency. ## Generic code becomes much easier to write if the Nimrod naming scheme is ## respected. - var xl = x.len + let xl = x.len setLen(x, xl + y.len) for i in 0..high(y): x[xl+i] = y[i] @@ -1066,20 +1066,20 @@ proc shallowCopy*[T](x: var T, y: T) {.noSideEffect, magic: "ShallowCopy".} proc del*[T](x: var seq[T], i: int) {.noSideEffect.} = ## deletes the item at index `i` by putting ``x[high(x)]`` into position `i`. ## This is an O(1) operation. - var xl = x.len + let xl = x.len shallowCopy(x[i], x[xl-1]) setLen(x, xl-1) proc delete*[T](x: var seq[T], i: int) {.noSideEffect.} = ## deletes the item at index `i` by moving ``x[i+1..]`` by one position. ## This is an O(n) operation. - var xl = x.len + let xl = x.len for j in i..xl-2: shallowCopy(x[j], x[j+1]) setLen(x, xl-1) proc insert*[T](x: var seq[T], item: T, i = 0) {.noSideEffect.} = ## inserts `item` into `x` at position `i`. - var xl = x.len + let xl = x.len setLen(x, xl+1) var j = xl-1 while j >= i: |