Description Usage Arguments Author(s) References See Also Examples
Retrieves actual values based on their type
.
1 2 |
input |
Signature argument. Object containing structure information. |
value |
|
outer |
|
resolve |
|
strict |
|
... |
Further arguments to be passed to subsequent functions/methods. |
Janko Thyson janko.thyson@rappster.de
http://github.com/rappster/listr
getByType-list-method,
getStructure
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | ## Not run:
input <- list(
x1 = list(x11 = list(x111 = 1, x112 = 1), x12 = list(x121 = 1, x122 = 1)),
x2 = list(x21 = "x21"),
x3 = list("x31"),
x4 = "x4",
x5 = list(1:3),
list(list(1, 2), list(3, 4)),
list(1:3),
"char 1",
"char 2",
letters[1:3],
c(1,3,5),
TRUE,
new.env(),
data.frame(x = 1:3, y = 1:3)
)
## Inspect structure //
(struc <- getStructure(input))
## Type 1 (top-level branches) //
getByType(input, value = 1)
## Type 2 (intermediate-level branches) //
getByType(input, value = 2)
## Type 3 (leafs) //
getByType(input, value = 3)
## Condition handling //
getByType(input, value = 4)
try(getByType(input, value = 4, strict = 1))
try(getByType(input, value = 4, strict = 2))
## End(Not run)
|
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