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author_ov4 <ov4@ov4.org>2026-10-20 11:04:06 +0000
committer_ov4 <ov4@ov4.org>2026-10-20 11:04:06 +0000
commit8975d167c849f54664be8d5da418cd909694d26f (patch)
treeddefc52af631d09157c91a17046c333da8acec91 /pseudocode-lib/README.md
parent079764b8f04f4ae69a3a014224a45a04a157edad (diff)
feat(library): add experimental string CHR function
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Diffstat (limited to 'pseudocode-lib/README.md')
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diff --git a/pseudocode-lib/README.md b/pseudocode-lib/README.md
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@@ -30,3 +30,5 @@ The library provides `&`, `_EXP_STRING_NUM_TO_STR` (INTEGER/REAL), `_EXP_STRING_
`_EXP_STRING_UCASE(S : _EXP_STRING)` returns a new `_EXP_STRING` with letters converted to upper case. Its `(Ch : CHAR)` overload returns CHAR, following guide section 5.5. Nonletters and embedded NUL bytes are preserved; the source is unchanged. Use ASCII for predictable case conversion.
`_EXP_STRING_ASC(S : _EXP_STRING)` returns the unsigned code of the first byte as INTEGER, or 0 for an empty string. Its `(Ch : CHAR)` overload returns the unsigned byte code of Ch. For ASCII characters this is the ASCII code.
+
+`_EXP_STRING_CHR(Code : INTEGER)` returns a new `_EXP_STRING` containing the low eight bits of Code as one byte. Unlike built-in STRING, `_EXP_STRING` preserves NUL: `_EXP_STRING_CHR(0)` has length 1.