wasm-link 0.2.2

A WebAssembly plugin runtime based around Wasmtime intended for building fully modular applications
Documentation 
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(component
	(import "test:child/root" (instance $child
		(export "get-value" (func (result (tuple string (result u32)))))
	))

	(alias export $child "get-value" (func $get_value))

	(core module $mem_module
		(memory (export "memory") 1)
		(func (export "realloc") (param i32 i32 i32 i32) (result i32)
			i32.const 256
		)
	)
	(core instance $mem_inst (instantiate $mem_module))
	(alias core export $mem_inst "memory" (core memory $shared_mem))
	(alias core export $mem_inst "realloc" (core func $shared_realloc))

	(core func $lowered_get_value (canon lower (func $get_value) (memory $shared_mem) (realloc $shared_realloc)))
	(core instance $imports_child (export "get-value" (func $lowered_get_value)))
	(core instance $mem_imports (export "memory" (memory $shared_mem)))

	(core module $main_impl
		(import "child" "get-value" (func $get_value (param i32)))
		(import "mem" "memory" (memory 1))

		(func (export "get-composite") (result i32)
			(call $get_value (i32.const 0))
			;; Store first tuple element (from child) at offset 16
			(i32.store (i32.const 16) (i32.load (i32.const 12)))
			;; Store second tuple element (hardcoded 24) at offset 20
			(i32.store (i32.const 20) (i32.const 24))
			;; Return pointer to tuple
			(i32.const 16)
		)
	)

	(core instance $main_inst (instantiate $main_impl
		(with "child" (instance $imports_child))
		(with "mem" (instance $mem_imports))
	))

	(alias core export $main_inst "get-composite" (core func $core_get_composite))
	(func $lifted_get_composite (result (tuple u32 u32)) (canon lift (core func $core_get_composite) (memory $shared_mem)))
	(instance $inst (export "get-composite" (func $lifted_get_composite)))
	(export "test:dependant-composite/root" (instance $inst))
)