specify `if let` guards with updated scoping rules#1957

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dianne wants to merge 6 commits intorust-lang:masterfrom

dianne:if-let-guard

Commits on Jan 28, 2026

added documentation for if let

Kivooeo
authored and
traviscross
committed
cutted down match-expr, added info in destructors, fixed syntax, removed ingore from some blocks

Kivooeo
authored and
traviscross
committed
Rework match guard chain

ehuss
authored and
traviscross
committed
rework scoping rules for match arms and guards

dianne
authored and
traviscross
committed
editorial tweaks

dianne
authored and
traviscross
committed
Swap order of `MatchConditions` alternatives
traviscross
committed