I do sometimes write the constant first, because I want to
reduce the amount of punctuation. If you write:
foo $x, $y == 4
then foo isn't called with arguments $x
and $y. You'd need to write that as:
foo ($x, $y) == 4
4 == foo $x, $y
And since == is a symmetric operation (assuming
it's not overloaded), I don't feel strongly for the "topic first"
argument. But I can see your point.
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