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#' fixed
#'
#' Creates or modifies the search type to use fixed matching
#'
#' @param object to make specification
#' @param ... additional arguments passes to \code{\link{pattern}}
#'
#' \code{fixed}
#'
#' @seealso
#' \code{\link{pattern}}
#'
#' @examples
#' pat <- fixed("a")
#' detect( c('alpha','beta'), pat )
#'
#' @rdname fixed
#' @export
fixed <- function( object, ... ) UseMethod('fixed')
#' @rdname fixed
#' @export
fixed.default <- function( object, ... ) pattern( as.character(object), 'fixed', ... )
#' @rdname fixed
#' @export
fixed.character <- function( object, ... ) pattern( object, 'fixed', ... )
#' @rdname fixed
#' @export
# Note: an alternative is to clobber the options
fixed.SearchableOrPattern <- function( object, ... ) {
object@type = 'fixed'
object@options = list(...)
return(object)
}
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