Ludovic Courtès a7c8e68dc5 records: Let thunked fields refer to their inherited value. ...

* guix/records.scm (make-syntactic-constructor)[field-index]: New procedure.
[wrap-field-value]: Add optional argument ‘parent’.  When it is true, bind F
to the inherited field value.
[field-bindings/inheritance]: New procedure.
Use it.
* tests/records.scm ("define-record-type* & thunked & no inherited value")
("define-record-type* & thunked & inherited value")
("define-record-type* & thunked & inherited value & this-record"): New tests.
* doc/guix.texi (Defining Package Variants): Update ‘modify-inputs’ example to
refer to ‘inputs’.
(Writing Manifests): Likewise.
* doc/guix-cookbook.texi (Package Variants): Likewise for
‘substitute-keyword-arguments’.

Fixes: https://issues.guix.gnu.org/50335
Change-Id: If4e18155ce203637ff9e116ee8098f8997bfebe2

2026-03-20 13:27:15 +01:00

226 KiB

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