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author_ov4 <ov4@ov4.org>2026-10-30 14:33:33 +0000
committer_ov4 <ov4@ov4.org>2026-10-30 14:33:33 +0000
commit9b2d82dadbb465de71985a8db3aa8df454579b72 (patch)
tree686703c7f74565baad63f368b90124f8577c4616 /AGENTS/PITFALLS/exceptions-and-c-interop.md
parent0cf54b4f77ccf8376341950b02ceb7c1d1268ed7 (diff)
docs(types): explain implicit constructors and raw text literalsHEADmain
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -19,11 +19,11 @@ Part of the [pitfalls index](../PITFALLS.md).
## C type extensions
-- C_STRING is a raw char pointer, not a STRING: explicitly cast to STRING for
- printing or string-library calls.
+- C_STRING is a raw char pointer. A visible IMPLICIT STRING.NEW(C_STRING)
+ permits string-library calls, OUTPUT and file text; an explicit cast also works.
- C aliases share canonical CIdentity; do not use LLVM widths to recover signedness
or nominal type identity. Plain char's signedness is native, unlike pseudocode CHAR.
-- C/pseudocode conversions require casts even for literals. C scalar arithmetic uses
+- Other C/pseudocode conversions require casts, including numeric literals. C scalar arithmetic uses
native promotions, but / always returns REAL.
- Cast aliases must precede their use.
- long double may have padding; sizeof does not identify its floating-point format.