convenience version of `type.default` for effect values whose type is exactly the effect type (i.e., the value type does not inherit from the effect type).
set default instance for effect type `effect.this` to value `effect.this`.
NYI: UNDER DEVELOPMENT: See type.default
0.095dev (2026-02-20 12:42:29 GIT hash dbcc3e4b3d2a59f66230b482cff8f0b018178d77 built by fridi@fzen)
exactly the effect type (i.e., the value type does not inherit
from the effect type).
set default instance for effect type `effect.this` to value `effect.this`.
NYI: UNDER DEVELOPMENT: See type.default