tchange ( ..a key quot: ( ..a value -- ..b newvalue ) -- ..b )
Factor handbook » The language » Co-operative threads » Thread-local state and variables

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Vocabulary
threads

Inputs

key	an object
quot	a quotation with stack effect ( ..a value -- ..b newvalue )

Outputs
None

Word description
Applies the quotation to the current value of a thread-local variable, storing the result back to the same variable.

Definition

USING: assocs kernel ;

IN: threads

: tchange
    ( ..a key quot: ( ..a value -- ..b newvalue ) -- ..b )
    [ tnamespace ] dip change-at ; inline