assoc= ( assoc1 assoc2 -- ? )
Factor handbook » The language » Collections » Associative mapping operations » Associative mapping protocol

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Vocabulary
assocs

Inputs

assoc1	an assoc
assoc2	an assoc

Outputs

?

a boolean

Word description
Tests if two assocs contain the same entries. Unlike =, the two assocs may be of different types.

Notes
Assoc implementations should define a method for the equal? generic word which calls this word after checking that both inputs have the same type.

Definition

USING: kernel ;

IN: assocs

: assoc= ( assoc1 assoc2 -- ? )
    2dup [ assoc-size ] bi@ = [ assoc-subset? ] [ 2drop f ] if ;