in?

∈

check if value exists in given collection

Parameters

in? value :any
    collection :string :dictionary :object :block :range

Attributes

at:integercheck at given location within collection
deepsearches recursively in deep for a value.

Returns

  • :logical

Examples

copy
arr: [1 2 3 4]

in? 5 arr             ; => false
in? 2 arr             ; => true

copy
user: #[
    name: "John"
    surname: "Doe"
]

in? "John" dict       ; => true
in? "Paul" dict       ; => false

in? "name" keys dict  ; => true

copy
in? "x" "hello"       ; => false
in? `h` "hello"       ; => true

copy
in?.at:1 "el" "hello" ; => true
in?.at:4 `o` "hello"  ; => true

copy
print in?.at:2 "two" ["one" "two" "three"]
; false

print in?.at:1 "two" ["one" "two" "three"]
; true

copy
print in?.deep 6 [1 2 4 [3 4 [5 6] 7] 8 [9 10]]
; true

copy
user: #[ 
    name: "John" surname: "Doe"
    mom: #[ name: "Jane" surname: "Doe" ]
]

print in?.deep "Jane" user
; true

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