require/in-ns take quoted (already-evaluated) args, so they become ordinary
ctx-capturing clojure.core fns (install-stateful-fns!):
- require-impl (varargs over specs -> eval-require) / in-ns-impl, extracted
from the eval-list special arms.
- removed their eval-list match arms (they fall through to the function-call
default, resolving the interned closures) and dropped them from
host_iface special-names + loader stateful-head? + compiler
uncompilable-heads.
require+alias+refer and in-ns now compile + interpret as plain invokes.
Tests: namespace-test uses bare make-ctx, so it now installs the stateful
fns via a fresh-ctx helper (api/init does this automatically). fallback-zero
moves require off must-punt and adds require/in-ns/defprotocol/extend-type/
reify/(var map) to must-compile (37 now); deftype takes require's must-punt
slot.
Gate green: conformance 267x3, fallback-zero 37/5, bootstrap-fixpoint
stage1==2==3, self-host, staged-bootstrap, clojure-test-suite >=4034/67,
features 78/78, deps-loader, all unit + spec (namespaces 24/24).
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