metal:queue
(metal:queue ctx)
The MTLCommandQueue the context commits its command buffers to. One per context; metal:frame takes a buffer from it per frame. Part of the metal package, a Metal drawing surface written in rontolisp over objc and loaded on first use: macOS (java -jar, the rontolisp binary, or a compiled .class / .jar; never a .wasm), with a display. See the macOS GUI guide.
CL-USER> (objc:objectp (metal:queue *ctx*))
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