member? ( elt seq -- ? )
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Vocabulary
sequences

Inputs

elt	an object
seq	a sequence

Outputs

?

a boolean

Word description
Tests if the sequence contains an element equal to the object.

Examples
Is a letter in a string:

USING: sequences prettyprint ; CHAR: a "abc" member? .
t

Is a number in a sequence:

USING: sequences prettyprint ; 4 { 1 2 3 } member? .
f

Notes
This word uses equality comparison (=).

See also
sorted-member?

Definition

USING: kernel ;

IN: sequences

: member? ( elt seq -- ? ) [ = ] with any? ;