My recollection was that assignment determined it's context by the left-hand side of the operation.
That's impossible for two reasons.
- The assignment type is always known at compile-time, but the context is not necessarily.
- The type of assignment determines the context of the operands, so the context of the operands cannot determine the type of assignment. Chicken and egg.
Your code shows that the type of assignment is determined by its LHS, but noone's disputing that.
This seems to imply that the subroutine is evaluated in scalar context in the first assignment.
It is.
Scalar assignment evaluates both its LHS and RHS in scalar context.
List assignment evaluates both its LHS and RHS in list context.
Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
Read Where should I post X? if you're not absolutely sure you're posting in the right place.
Please read these before you post! —
Posts may use any of the Perl Monks Approved HTML tags:
- a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
| |
For: |
|
Use: |
| & | | & |
| < | | < |
| > | | > |
| [ | | [ |
| ] | | ] |
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.