Displaying 1 result from an estimated 1 matches for "new_binding".
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get_binding
2011 May 31
1
assignInNamespace and new bindings
...4)
+++ src/library/utils/R/objects.R (working copy)
@@ -252,8 +252,9 @@
stop("environment specified is not a package")
ns <- asNamespace(substring(nm, 9L))
} else ns <- asNamespace(ns)
- if(bindingIsLocked(x, ns)) {
- unlockBinding(x, ns)
+ new_binding <- !exists(x,ns)
+ if( new_binding || bindingIsLocked(x, ns)) {
+ if(!new_binding) unlockBinding(x, ns)
assign(x, value, envir = ns, inherits = FALSE)
w <- options("warn")
on.exit(options(w))
Romain
--
Romain Francois
Professional R Enthusi...