$(( )) reads a number in any base and does checked 64-bit arithmetic - #419

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feat/arithmetic-rewrite

Commits on Aug 27, 2026

docs: $(( )) reads bases and does checked arithmetic

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694f139
arithmetic: replace the hand-rolled parser with a tokenizer + precedence-climbing parser

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dd4f3a0
arithmetic: run $(...) through the async evaluator, and (( )) as a command

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efa47cc
Adversarial cases for $(( )) from the spec

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7346810
changelog: $(( )) rewrite

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d848608
Arithmetic errors name the source they refuse

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d4a6589
The text after # is digits, whether typed or expanded

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4797a8c
A plan's free variables come from the arithmetic parser, not a text scan

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5fd0c8b
Arithmetic passes clippy and rustdoc under -D warnings

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250ec00
A float at 2^63 is out of range, and a default may hold a command

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4e12017
Tests for the power special cases, bytes, and (( $(...) ))

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848fb5f

Commits on Aug 28, 2026

The bytes coercion test uses bytes, not chance

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18b5f54
A base past 2^32 truncated to a base that fit, and computed wrong

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ac09108
A $() inside $(( )) leaked the sync evaluator's internal refusal

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f4de5c5
A refused numeral is quoted as the user wrote it

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4e7b85a