all

all(X)

X is a scalar/pair/vector/matrix.

Return 0 if at least one element of X is false or 0; return 1 otherwise. NULL values are ignored.

all(1 2 3)
1

all(0 1 2)
0

all(true false)
0

all(true true true)
1

all(1..10$2:5)
1

all(0..9$2:5);
0

Related function: any