Examine if a condition is true for all elements of a list

1 |

`.data` |
A |

`cond` |
A logical lambda expression |

`na.rm` |
logical. If true |

`TRUE`

if `cond`

is evaluated to be `TRUE`

for all elements in `.data`

.

1 2 3 4 5 6 7 | ```
x <- list(p1 = list(type='A',score=list(c1=10,c2=8)),
p2 = list(type='B',score=list(c1=9,c2=9)),
p3 = list(type='B',score=list(c1=9,c2=7)))
list.all(x, type=='B')
list.all(x, mean(unlist(score))>=6)
list.all(x, score$c2 > 8 || score$c3 > 5, na.rm = TRUE)
list.all(x, score$c2 > 8 || score$c3 > 5, na.rm = FALSE)
``` |

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