go_js_wasm_exec | use WebAssembly binaries generated by the Go | Binary Executable Format library
kandi X-RAY | go_js_wasm_exec Summary
kandi X-RAY | go_js_wasm_exec Summary
This is a proof of concept on how to use WebAssembly binaries generated by the Go compiler in a non-web (non-JS) environment. Currently println and fmt.Println are supported. It is mostly a direct translation of Please note that this interface is not public or stable, it may change with future versions of Go.
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Top functions reviewed by kandi - BETA
- Main entry point
- storeValue stores value at addr .
- valueCall executes a value call .
- loadValue retrieves the value from the vm .
- loadSliceOfValues returns a slice of values from the given address .
- valueGet gets the value from the VM .
- valueNew creates a new Value .
- WasmWrite writes to sp .
- getRandomData generates random data from given vm .
- loadSlice loads a slice of bytes from the VM .
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QUESTION
As I'm building my Web assembly application I have bumped into issue with a cryptic error:
LinkError: WebAssembly.instantiate(): Import #1 module="go" function="runtime.resetMemoryDataView" error: function import requires a callable
It is compiled with this command:
GOOS=js GOARCH=wasm go build -o main.wasm main.go server.go
This is the body of index.html, there is nothing in
...ANSWER
Answered 2020-May-25 at 02:13runtime.resetMemoryDataView()
function is part of wasm_exec.js
support script that bridges WebAssembly binary with JavaScript environment. This and similar errors often mean that wasm_exec.js
isn't compatible with WebAssembly binary because version of Golang used to compile binary is different (usually newer) than one wasm_exec.js
was taken from.
When running or shipping Golang WebAssembly binary always make sure that you are using wasm_exec.js
support script from the same version of Golang as was used to compile binary. You can copy it from $(go env GOROOT)/misc/wasm/wasm_exec.js
to be sure.
See official Golang WebAssembly wiki for further details.
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