Various handy symbols to use in a command line UI
symbollist_symbols()
A named list, see names(symbol) for all sign names.
On Windows they have a fallback to less fancy symbols.
list_symbols() prints a table with all symbols to the screen.
cat(symbol$tick, " SUCCESS\n", symbol$cross, " FAILURE\n", sep = "")
## All symbols
cat(paste(format(names(symbol), width = 20),
unlist(symbol)), sep = "\n")
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