reverse {IRanges} | R Documentation |
reverse
Description
A generic function for reversing vector-like or list-like objects.
This man page describes methods for reversing a character vector,
a Views object, or a MaskCollection object.
Note that reverse
is similar to but not the same as
rev
.
Usage
reverse(x, ...)
Arguments
x |
A vector-like or list-like object. |
... |
Additional arguments to be passed to or from methods. |
Details
On a character vector or a Views object, reverse
reverses
each element individually, without modifying the top-level order of the
elements. More precisely, each individual string of a character vector
is reversed.
Value
An object of the same class and length as the original object.
See Also
-
rev
in base R. -
revElements
in the S4Vectors package to reverse all or some of the list elements of a list-like object. -
Views objects.
-
MaskCollection objects.
-
reverse-methods in the XVector package.
Examples
## On a character vector:
reverse(c("Hi!", "How are you?"))
rev(c("Hi!", "How are you?"))
## On a Views object:
v <- successiveViews(Rle(c(-0.5, 12.3, 4.88), 4:2), 1:4)
v
reverse(v)
rev(v)
## On a MaskCollection object:
mask1 <- Mask(mask.width=29, start=c(11, 25, 28), width=c(5, 2, 2))
mask2 <- Mask(mask.width=29, start=c(3, 10, 27), width=c(5, 8, 1))
mask3 <- Mask(mask.width=29, start=c(7, 12), width=c(2, 4))
mymasks <- append(append(mask1, mask2), mask3)
reverse(mymasks)