has_element {mlr3misc} | R Documentation |
Simply checks if a list contains a given object.
NB1: Objects are compared with identity.
NB2: Only use this on lists with complex objects, for simpler structures there are faster operations.
NB3: Clones of R6 objects are not detected.
has_element(.x, .y)
.x |
:: ( |
.y |
:: |
has_element(list(1, 2, 3), 1)