scriptc

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T

Chris Tate 358d2df536 Keep package results that pass their argument through out of the declaration boundary

A package function declared to return its own type parameter, which also
types one of its parameters (<T extends object>(obj: T) => T), hands back
the argument or something standing in for it, and the package may track
that object's identity. Effect's Equal.byReference returns a proxy it
keeps in a WeakSet. The declaration-typed boundary cast such a result to
the argument's type and built a separate native record, so
Equal.equals(a, b) on two by-reference objects compared them by value and
printed true where Node prints false. The result's type comes from the
caller's argument, not from data the package declares, so the projection
no longer casts these calls.

The package re-export coverage test now expects three dynamic statements:
since the boundary, readRows's declared number result keeps its type, so
count - 1 in 7004-package-declared-type-reexports is native arithmetic.

2026-10-23 02:23:33 -05:00

corpus

Compile instanceof against constructors held as values (#1909 )

2026-10-23 01:56:13 -05:00

coverage-fixtures

Enumerate each record in the key order its object literal wrote

2026-10-22 22:56:12 -05:00

deadstrip

…

diagnostics

Support new.target in class constructors (#1917 )

2026-10-22 21:52:42 -05:00