Add structural equality and content hashing for FlatExpression.ExprTree - #550

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dadhi with Copilot wants to merge 20 commits into

copilot/fix-structural-equality-hash

Commits on May 6, 2026

Initial plan
Copilot
authored
8ae2d11
feat: add structural equality for flat expressions

Copilot
and
dadhi
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176af12
docs: clarify flat inline constant decoding

Copilot
and
dadhi
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8fc6aff
refactor: use loop-based flat expression equality

Copilot
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dadhi
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f933b56
refactor: simplify flat equality loop control

Copilot
and
dadhi
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50deedb
refactor: rename flat constant comparison helper

Copilot
and
dadhi
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a1f952f
refactor: simplify expr node equality precheck

Copilot
and
dadhi
authored
023bb11

Commits on May 7, 2026

docs: add xml comments for expr tree operators

Copilot
and
dadhi
authored
14f0c05

Commits on May 27, 2026

refactor: inline small flat constants
Copilot
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b1874d8

Commits on May 28, 2026

refactor: assert normalized flat constants
Copilot
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005b4bf
refactor: simplify inline constant comparison
Copilot
authored
0c059a4

Commits on May 29, 2026

refactor: simplify flat constant structural comparison
Copilot
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baad46f

Commits on Jun 17, 2026

Apply remaining changes
Copilot
authored
c196273

Commits on Jun 20, 2026

inlining
dadhi
committed
09a0ac1

Commits on Jun 22, 2026

@wip starting simplification
dadhi
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9624f3a

Commits on Aug 4, 2026

@wip @notcompiled using ushort indexes and simplifying To and From
dadhi
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6a1ce07

Commits on Aug 12, 2026

FlatExpression tests passing; ISize1Plus
dadhi
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14f1f50

Commits on Aug 14, 2026

properly adding net10.0 - no alloc ComplexExpr but 3x slower creation that Ligh
dadhi
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b8fc8d6

Commits on Aug 19, 2026

lowering; AddDefaultAndGetRef(out var index)
dadhi
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8e6d04d

Commits on Sep 9, 2026

drop net 6 and 9; bm no-alloc but 2.6x degrade
dadhi
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37e76fb