giles 077f4a5d38 phase-22 Smalltalk: runtime.sx numeric/char/Array/Dict/Set/Stream ...

lib/smalltalk/runtime.sx (72 forms):
- Numeric helpers: abs/max/min/gcd/lcm/quo/rem/mod/even?/odd?/floor/ceil/truncate/round.
- Character: st-char-value/from-int/is-letter?/is-digit?/uppercase?/lowercase?/
  separator?/as-uppercase/as-lowercase/digit-value. SX chars via char->integer.
- Array: 1-indexed mutable arrays backed by dict {__st_array__ size "1" v1 ...};
  at/at-put!/do/->list/list->array/copy-from-to.
- Dictionary: any-key hash map via list-of-pairs + linear scan;
  at/at-put!/includes-key?/at-default/remove-key!/keys/values/do/do-associations.
- Set: backed by SX make-set; set-member?/add!/includes?/remove! take (set item) order.
- WriteStream/ReadStream: dict-backed buffers; printString for nil/bool/number/
  string/symbol/char/list/array.

lib/smalltalk/tests/runtime.sx + lib/smalltalk/test.sh: 86/86 pass.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-05-01 22:43:04 +00:00

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