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    m0xEE (m0xee@social.librem.one)'s status on Monday, 18-Dec-2023 02:06:59 JSTm0xEEm0xEE
    in reply to
    • Pleroma-tan
    • locness3

    @kirby
    This is called chained assignment: https://en.wikipedia.org/wiki/Assignment_(computer_science)#Chained_assignment
    And it's handled differently in different languages. In Python it seemingly works exactly it would in C, but in fact it's somewhat of a special case.
    It's often done one-per-line just to improve readability — so people using different languages won't be confused by behaviour they might not expect.
    @locness3

    In conversationabout a year ago from social.librem.onepermalink

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      Assignment (computer science)
      In computer programming, an assignment statement sets and/or re-sets the value stored in the storage location(s) denoted by a variable name; in other words, it copies a value into the variable. In most imperative programming languages, the assignment statement (or expression) is a fundamental construct. Today, the most commonly used notation for this operation is x = expr (originally Superplan 1949–51, popularized by Fortran 1957 and C). The second most commonly used notation is x := expr (originally ALGOL 1958, popularised by Pascal). Many other notations are also in use. In some languages, the symbol used is regarded as an operator (meaning that the assignment statement as a whole returns a value). Other languages define assignment as a statement (meaning that it cannot be used in an expression). Assignments typically allow a variable to hold different values at different times during its life-span and scope. However, some languages (primarily strictly functional languages) do not allow that kind of "destructive" reassignment, as it might imply changes of non-local state. The purpose is to enforce referential...
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