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For question about vectorization
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| rx_literal2 <- function(.data = NULL, ... ) { | |
| stopifnot( | |
| length(unique(sapply(list(...), length))) == 1 | |
| ) | |
| args <- sapply(list(...), function(x) if(inherits(x, "rx_string")) x else sanitize(x)) | |
| apply(args, 1, paste, collapse="") | |
| } | |
| rx_literal2(c("!", "@"), c("abc", "!")) | |
| #> [1] "!abc" "@!" |
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