| Type: | Package |
| Title: | A strong type system for R |
| Version: | 0.1-1 |
| Author: | Kun Ren <ken@renkun.me> |
| Maintainer: | Kun Ren <ken@renkun.me> |
| Description: | A strong type system for R which supports symbol declaration and assignment with type checking and condition checking. |
| Depends: | R (≥ 2.15) |
| Date: | 2014-08-15 |
| Suggests: | testthat, knitr |
| License: | MIT + file LICENSE |
| URL: | http://renkun.me/rtype, https://github.com/renkun-ken/rtype |
| BugReports: | https://github.com/renkun-ken/rtype/issues |
| ByteCompile: | TRUE |
| Packaged: | 2014-08-15 14:24:08 UTC; Ken |
| NeedsCompilation: | no |
| Repository: | CRAN |
| Date/Publication: | 2014-08-15 16:50:45 |
Declare symbols
Description
Declare symbols
Usage
declare(..., .envir = parent.frame())
Arguments
... |
Symbols to declare |
.envir |
|
Examples
declare(x,y=numeric(),z=integer())
Assign with type checking
Description
Assign with type checking
Usage
atomic(x, ...) <- value
integer(x, ...) <- value
numeric(x, ...) <- value
double(x, ...) <- value
logical(x, ...) <- value
character(x, ...) <- value
raw(x, ...) <- value
complex(x, ...) <- value
matrix(x, ...) <- value
array(x, ...) <- value
list(x, ...) <- value
pairlist(x, ...) <- value
envir(x, ...) <- value
name(x, ...) <- value
symbol(x, ...) <- value
call(x, ...) <- value
factor(x, ...) <- value
fun(x, ...) <- value
expression(x, ...) <- value
language(x, ...) <- value
object(x, ...) <- value
table(x, ...) <- value
recursive(x, ...) <- value
vector(x, ...) <- value
data.frame(x, ...) <- value
null(x, ...) <- value
check(x, ...) <- value
Arguments
x |
symbol |
... |
additional conditions taking the following forms: 1. 2. 3. a |
value |
value to be assigned |
Examples
## Not run:
x <- 10L
atomic(x) <- 20
numeric(x) <- 10
numeric(x, length = 10L) <- 1:10
cond1 <- function(x) mean(x) <= 5
numeric(x, cond1) <- 0:9
## End(Not run)