swh:1:snp:a4c99a50dc49f82b591f268001b320f8c3ca0041
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Tip revision: e3fb24ebd97f7686caee78bcef4e558b908a465e authored by jmc on 01 December 2007, 00:00:00 UTC
version 0.97-1
Tip revision: e3fb24e
muststop.R
muststop <- function(expr, silent = TRUE) {
    tryExpr <- substitute(tryCatch(expr, error=function(cond)cond))
    value <- eval.parent(tryExpr)
    if(inherits(value, "error")) {
        if(!silent)
          message("muststop reports: ", value)
        invisible(value)
    }
    else
      stop(gettextf("The expression  %s should have thrown an error, but instead returned an object of class \"%s\"",
           deparse(substitute(expr))[[1]], class(value)))
}
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