# Copyright (C) 2010 - 2012 Dirk Eddelbuettel and Romain Francois
#
# This file is part of Rcpp.
#
# Rcpp is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# Rcpp is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
externalptr_address <- function(xp){
.Call( as_character_externalptr, xp )
}
# just like assignInNamespace but first checks that the binding exists
forceAssignInNamespace <- function( x, value, env ){
is_ns <- isNamespace( env )
unlocker <- get( "unlockBinding", baseenv() )
if( is_ns && exists( x, env ) && bindingIsLocked(x, env ) ){
unlocker( x, env )
}
assign( x, value, env )
if( is_ns ){
lockBinding( x, env )
}
}
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