Created
June 5, 2019 03:12
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activeBinding
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| ABC <- local({ | |
| x <- 1 | |
| function(v) { | |
| if (missing(v)){ | |
| cat("get\n") | |
| } else { | |
| cat("set\n") | |
| x <<- v | |
| } | |
| x | |
| } | |
| }) | |
| makeActiveBinding("A", ABC, current_env()) | |
| makeActiveBinding("B", ABC, current_env()) | |
| makeActiveBinding("C", ABC, current_env()) | |
| A | |
| B | |
| C | |
| ABC() |
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