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This sort of issue arrises often with respect to overloading of functions in languages like C++. In general the name of the function should say it all so that when you are reading the code you don't have to go looking elsewhere to discover subtle, but important, details about the parameters and return results.

However this can lead to "identifiers that tell a story" which is even worse - hard to type and hard to read. There is a real art to creating good identifiers!

The other aspect of this is a tension between a rich interface and a lean interface. A rich interface gets harder to use and to maintain. A lean interface tends toward ambiguity and missing functionality. This tension also plays part in the art of programming.


DWIM is Perl's answer to Gödel

In reply to Re^3: How to best pass on the context / wantarray? by GrandFather
in thread How to best pass on the context / wantarray? by Corion

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    [shmem]: well finally.
    [stevieb]: nice! I just finished a GPS "take me home" device last week, and did a bunch of software updates to it yesterday. I also created a pseudo chip with an Arduino to simulate an IC, where it responds to register read/writes over the I2C bus...
    [stevieb]: ...from an I2C master. It's ugly and there are many changes I'm going to make, but I had not done anything like it before. It's designed for my RPi:: automated test platform; a system that does CI on *all* my RPi modules.
    [shmem]: pseudo chip?
    [stevieb]: well, what happens is the Arduino 'listens' for requests r/w, and does the appropriate thing when it's interrupted based on the 'register' address sent in. It's ugly as it was my first attempt, but I've got great new ideas I'm just sitting.
    [stevieb]: ...down to implement now. Here's the sketch as it currently sits
    [shmem]: well I use I2C and SPI and stuff, but creating a pseudo chip looks to me like lot of indirection and memory clutter... not?

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