check if collection contains given value

Parameters

contains? collection :string :dictionary :block :range
          value :any

Attributes

Returns

Examples

copy
arr: [1 2 3 4]

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

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

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

contains? keys dict "name"  ; => true

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

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

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

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

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